Melamine Resin
| HS Code | 905527 |
| Appearance | Colorless to pale yellow solid |
| Odor | Odorless |
| Solubility | Insoluble in water, soluble in some organic solvents |
| Density | 1.47 - 1.52 g/cm³ |
| Melting Point | 150 - 170 °C |
| Hardness | Hard and brittle |
| Thermal Stability | Good heat resistance |
| Chemical Resistance | Resistant to many chemicals |
| Electrical Properties | Good electrical insulator |
| Flammability | Slow - burning |
As an accredited Melamine Resin factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Melamine Resin packaged in 25 - kg bags for easy handling and storage. |
| Storage | Melamine resin should be stored in a cool, dry place away from direct sunlight and heat sources. Keep it in a well - ventilated area to prevent the build - up of fumes. Store in tightly - sealed containers to avoid moisture absorption, which could affect its properties. Also, ensure it is separated from incompatible substances like strong acids and bases to maintain its stability. |
| Shipping | Melamine resin is shipped in sealed containers to prevent moisture and contamination. It's transported via trucks, ships, or trains, ensuring proper handling to avoid damage during transit. Safety regulations are strictly adhered to. |
Competitive Melamine Resin prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Historical Development
In the 1930s, scientists began to create melamine resins in Europe. Melamine was reacted with formaldehyde, and the resulting compound was hard and heat-resistant. It was specially written in the world. At first, it was used to paint utensils, replacing ceramics without being fragile, which was both light and beautiful. After the 1940s, the process was gradually refined, and the output increased day by day. It spread all over the world, and was widely used in household appliances, electrical insulation, and woodworking boards. By the 1960s, Dongying in the West had built a large factory, and resin products were popular in the market. Modern technology has advanced again, the formula is better, and the performance is more excellent. It is not only daily general merchandise, but also involved in many fields of automobile interiors and electronics industries. After decades of cold and heat, melamine resin has flourished from its inception, witnessing scientific and technological progress, and has been used by the people every day. Its development path is sufficient to demonstrate the general trend of the evolution of chemical materials.
Product Overview
Melamine resin is a polymer compound formed by the condensation reaction of melamine and formaldehyde. It is tough and tough, heat-resistant and water-resistant, and has outstanding insulation. It is white powder on the outside, soluble in alcohol ether, insoluble in fatty hydrocarbons. This product is widely used in the manufacture of wood-based panels, veneer paper, tableware and molded products. The surface of the product is smooth, anti-fouling and easy to clean, and the color is colorful and lasting. It has both scratch-resistant and flame-retardant functions, so it is favored by industry and civilian use. With its dense molecular structure, high cross-linking degree, and adhesive coating, it has excellent performance and durability. However, its preparation requires strict control of temperature, catalysis and other processes to obtain pure products. Melamine resin ranks among the modern synthetic resins and is widely used in light, making it an important material for chemical industry.
Physical & Chemical Properties
Melamine resin, strong and shiny in quality, white or slightly milky yellow in color, like jade fat, smooth to the touch, with a density of about 1.5 grams per cubic centimeter, high melting point and not easy to melt. It does not melt when heated, and it is also resistant to temperature and pressure. It is constant at high temperature and refractory. It is slightly charred in case of fire and does not prolong burning. Its properties are stable, acid and alkali resistant, often soluble in formaldehyde, insoluble in common solvents such as water and alcohol. It is not easy to break due to external impact. Its chemical properties are mild, and it rarely reacts with other substances at room temperature. However, in case of high temperature and strong acid and alkali, or condensation and polymerization with formaldehyde, etc., it forms a network structure. Therefore, the surface of the utensils made by it is not easy to stain, the color is always fresh, the water does not penetrate, and the oil does not penetrate. The physical and chemical properties of this resin are both excellent, which is difficult for all materials.
Technical Specifications & Labeling
The name of this product is melamine resin, which belongs to the polymer synthesis. The appearance is mostly white powder, uniform particles, weak smell. Molecular formula C3H6N6, molecular weight 126.13. Placed at room temperature, insoluble in water and fatty hydrocarbons, strong acid and alkali resistance, with excellent insulation. Moisture content ≤ 0.1%, purity up to 99.8%. Initial melting point from 354 to 357 ℃, good thermal stability, can be used in common molding equipment molding, moderate fluidity, gel time is short. Mainly used in the manufacture of high temperature resistant tableware, electrical insulation materials and decorative plates, etc. Packaging multi-purpose lined polyethylene bag, jacket woven bag, net weight of 25 kg. It should be stored in a cool dry place to prevent moisture deterioration. The label shall indicate the batch number, production date, execution standard and origin to facilitate traceability and inspection.
Preparation Method
For melamine resins, use melamine and formaldehyde as raw materials and mix according to a fixed ratio. Start with water as a solvent, stir gently, and slowly add a formaldehyde solution to maintain the pH of the solution at a weakly alkaline level. Then, heat to 60 or 70 degrees, melamine and formaldehyde gradually condense, and raw hydroxymethyl melamine continues to polymerize and grow in a chain. At this time, alkaline substances, sodium hydroxide and ammonia, are commonly used in catalysts to promote the reaction rate and prevent the generation of by-products. To the middle, the pH can be adjusted to a slight acid, and acid catalysis is used to crosslink the polymer, and finally a white gel is obtained. The gel is processed and dried, and the resulting resin is hard and heat-resistant, and has extraordinary properties. The purity of the raw materials and the control of the reaction conditions are both the gist of quality.
Chemical Reactions & Modifications
Melamine resin is formed by the condensation reaction of melamine and formaldehyde to form a water-soluble oligomer. Then it is polymerized and cross-linked, and gradually converted into an insoluble and insoluble three-dimensional network structure. The reaction rate is controlled by pH and temperature, and the reaction is particularly fast under alkaline conditions. To modify, comonomers such as urea and phenol are often mixed, or plasticizers and enhancers are introduced to adjust its properties. Hydrophilic groups such as cellulose and polyvinyl alcohol can be applied to enhance its water resistance and flexibility. It is also treated with a silane coupling agent to combine it with the inorganic filler interface, giving it high strength and durability. With this change, it has a wide range of uses and can be adapted to various needs such as wood bonding, coating insulation, and decorative panel manufacturing. The principles of chemical reaction and modification lie in the adjustment of molecular structure.
Synonyms & Product Names
Melamine resin is the essence of chemical industry. It is sturdy, heat-resistant and corrosion-resistant, and is widely used in utensils, plates, decorations, tableware and many other fields. There are many different names, or melamine formaldehyde resin, also known as Melamine Formaldehyde Resin, referred to as MF, all refer to homogeneity. In the market circulation, merchants may attract the world with Melamine Plastic, Melamine Ware, Melamine Molding Compound, or they may be named after imitation porcelain and imitation porcelain tableware. In Europe and the United States, trade names are such as Melmac, Melaware, Duramel, etc. The clever and different names of each company actually come from the same source, and the quality is the same. Since ancient times, the way of trade, the different names attract customers, and the same ones keep the original. Those who know it in detail are not confused by the opinions.
Safety & Operational Standards
Melamine resin is a chemical material used in modern technology. It is widely used in plasticizers and decoration industries. Its performance is tough and heat-resistant. However, its preparation and use must be safe and careful. When operating, the workplace should be well ventilated, away from fire sources and high-temperature heat flow. Smoking is strictly prohibited to prevent the accumulation of volatile gases to avoid accidents. When coming into contact with this resin or its raw materials, you must wear special protective gloves, protective glasses and masks. Beware of inhalation or contact with skin and eyes. If it is accidentally stained with skin, wash it with water. If it splashes into the mouth, nose and eyes, rinse it thoroughly with water quickly and seek medical attention. Before the resin is cured, do not touch it with bare hands. Its gas should not be inhaled for a long time, otherwise it will be harmful to the respiratory vein and damage the health of the body. Storage should be placed in a cool and dry place, sealed in special utensils, and should not be stored with acid and alkali substances to prevent deterioration. Handle with care when handling, beware of falling and breaking. Waste, packaging materials and residual liquids should be properly disposed of in accordance with national environmental protection laws, and should not be dumped at will, so as not to pollute the water and soil and endanger all living beings. After operation, wash your hands and utensils, and do not bring them into the food area, drinking place or home to cut off the source of infection. Anyone who tries a new process or blends raw materials must be checked by the competent technician and operate according to the rules; if in doubt, do not dispose of it without authorization, and must ask for special skills. In case of sudden leakage, turn off the source immediately, store it with adsorbent, ventilate and dispose of it, and do not use water to rush directly to avoid dispersion. In case of fire, deal with dry powder and carbon dioxide fire extinguishers, and do not use water to save. Remember the daily operation log and check the cause of the accident. Those who apply this thing should be careful, follow the procedures, be careful at the beginning and end, to protect their own safety, and also protect the surrounding and the environment. It is a long-term measure to remove the danger before it occurs.
Application Area
Melamine resin, tough and heat-resistant, stable chemical properties, widely practical. Its application involves many fields. Used in the wood industry, as laminate, furniture veneer, magnificent wear-resistant, brilliant as new. In building materials, making fireproof boards and veneers, flame retardant and moisture-proof, good for safety. Packaging industry uses it as an adhesive, firm and safe, suitable load-bearing. In the electronics industry, it is applied to insulating materials, excellent resistance, to ensure the long-term use of machine parts. Ceramic industry uses it as a color glaze auxiliary, which is more and more brilliant. Textile is used as a finishing agent, which can increase the effect of fabric anti-wrinkle and anti-shrinkage. Automobile manufacturing, common in coatings and accessories, enhances beauty and durability. From this perspective, melamine resin is widely used in all industries and is an indispensable material for modern industrial use.
Research & Development
Melamine resin, melamine and formaldehyde as raw materials, through condensation synthesis, strong and heat-resistant, widely used in film, gluing, tableware and electrical appliances, etc. Since its inception, the process has been updated, and today's research, especially green environmental protection. Those with lofty ideals, explore its synthesis mechanism, strive to purify raw materials and optimize reaction conditions, in order to improve yield and reduce by-products. Or use new catalysts to simplify the process and save energy. Compound modification, adjust its molecular structure to meet the needs of multiple applications. Between experiments, spectral analysis was used to explore the degree of crosslinking and thermal stability, so as to introduce new ones. Frequent international exchanges, each based on its strengths, have helped China's resin industry rank among the most advanced, which is beneficial to the social economy and quality of life.
Toxicity Research
Melamine resin is widely used in the manufacture of utensils, furniture and coatings. Its manufacture is mostly condensed with melamine and formaldehyde, and its properties are tough and not easy to damage. However, scholars have examined its toxicity and found that there are still concerns. The resin is not completely cured or in case of high temperature and strong acid, and it is easy to release melamine and formaldehyde into food and water in small amounts. Melamine enters the body. Although a small amount of melamine is difficult to cause acute harm in a short period of time, it can cause kidney stones and damage the urinary system for a long time. Formaldehyde is carcinogenic, and long-term exposure can cause headaches, conjunctival irritation, and even chronic poisoning. In Europe, America, Japan and other places, there are standards to limit the content of free substances in melamine resin, and to avoid cooking and storing food at high temperatures. Although the resin body is stable, its toxicity cannot be ignored, and it is necessary to adhere to the procedures and use it with caution.
Future Prospects
Since modern technology has changed with each passing day, the application of melamine resin has become more and more extensive, and it is used in many industries such as furniture, packaging, building materials, electronics, etc., all of which have performed well. Looking to the future, its process will become more and more advanced, its performance will become more and more excellent, and its heat resistance, flame retardant and anti-fouling properties are expected to be upgraded to a new realm. With the popularity of green ecological concepts, low formaldehyde and environmentally friendly forms are becoming the general trend, and the development of degradable and recycling is also bound to accelerate. In addition, the integration of nanotechnology and smart materials, giving them the characteristics of induction, discoloration, and anti-bacteria, will surely broaden the field of use. International trade is becoming more and more active, and the demand for high-end markets is growing. Most domestic and foreign enterprises will increase investment and seek common transformation and The position of melamine resin in the global new materials industry is becoming increasingly firm, and it is an important corner for the innovative development of various industries in the future.
Where to Buy Melamine Resin in China?
As a trusted Melamine Resin manufacturer, we deliver:
Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements.
Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery.
Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
As a leading Melamine Resin supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
What are the main application fields of Melamine Resin?
Melamine Resin is a melamine formaldehyde resin. It is strong and tough, heat-resistant and wear-resistant, and has good insulation properties. It is widely used in Baigong. In terms of its application field, there are several ends.
The first place is the daily utensils. Its resin products are bright in color and diverse in shape, and can be used as food cups, plates, bowls, spoons and forks. Compared with ceramics, it is light in weight and not brittle, easy to access, and widely sold in the market. And acid and alkali resistance, easy to clean, suitable for cooking and kitchen miscellaneous uses. Secondly, the system of plates also relies on this resin. All decorative panels, furniture finishes, or moisture-proof and fire-proof composites are based on it. This kind of board has a smooth surface, a variety of patterns, wear resistance, and is not easy to fade for a long time. It is suitable for the decoration of residences, museums, and shops.
Third, it is widely used in the electrical industry. With its good insulation, it can be made into switches, sockets, and junction boxes, which can be fireproof and moisture-proof, ensure safety, and avoid electrical hazards. It is also a material for several parts in electronic equipment, which is in line with the progress of modern industry. Printed circuit boards are also based on this resin to help them be stable and long-lasting. It is also widely used in the construction field. Melamine resin can be copolymerized with other synthetic materials to serve as a binder or strengthening layer to improve its performance. It is used in floors, wall panels, and decorative materials to enhance the quality of buildings.
In addition, the textile industry has also contributed. Mixed in fibers to make fabrics more resistant to wrinkles, shrinkage and stain. Transportation components such as automobiles and aviation are also used for the manufacture of interior or structural components due to their light weight, sturdiness and high temperature resistance. In the paint and coatings industry, melamine resin is used to improve the paint film, making it harder, more glossy, and less prone to damage for a long time. It is widely used on wood and metal surfaces.
In summary, Melamine Resin has been widely used in various fields such as daily use, building materials, electrical engineering, textiles, transportation, and coating due to its unique physical and chemical properties. It is an indispensable material for modern technology.
The first place is the daily utensils. Its resin products are bright in color and diverse in shape, and can be used as food cups, plates, bowls, spoons and forks. Compared with ceramics, it is light in weight and not brittle, easy to access, and widely sold in the market. And acid and alkali resistance, easy to clean, suitable for cooking and kitchen miscellaneous uses. Secondly, the system of plates also relies on this resin. All decorative panels, furniture finishes, or moisture-proof and fire-proof composites are based on it. This kind of board has a smooth surface, a variety of patterns, wear resistance, and is not easy to fade for a long time. It is suitable for the decoration of residences, museums, and shops.
Third, it is widely used in the electrical industry. With its good insulation, it can be made into switches, sockets, and junction boxes, which can be fireproof and moisture-proof, ensure safety, and avoid electrical hazards. It is also a material for several parts in electronic equipment, which is in line with the progress of modern industry. Printed circuit boards are also based on this resin to help them be stable and long-lasting. It is also widely used in the construction field. Melamine resin can be copolymerized with other synthetic materials to serve as a binder or strengthening layer to improve its performance. It is used in floors, wall panels, and decorative materials to enhance the quality of buildings.
In addition, the textile industry has also contributed. Mixed in fibers to make fabrics more resistant to wrinkles, shrinkage and stain. Transportation components such as automobiles and aviation are also used for the manufacture of interior or structural components due to their light weight, sturdiness and high temperature resistance. In the paint and coatings industry, melamine resin is used to improve the paint film, making it harder, more glossy, and less prone to damage for a long time. It is widely used on wood and metal surfaces.
In summary, Melamine Resin has been widely used in various fields such as daily use, building materials, electrical engineering, textiles, transportation, and coating due to its unique physical and chemical properties. It is an indispensable material for modern technology.
How is the heat resistance of Melamine Resin?
Melamine Resin, known as melamine resin in Chinese, is tough in nature and bright in color, and is widely used in utensils. Its heat resistance is particularly excellent, and it can be compared with extraordinary resins. Melamine and formaldehyde are condensed, the shape and texture are dense, and the molecular structure is tightly cross-linked, so its melting point is as high as 300 degrees, which is better than most commonly used plastics, and its advantages are significant. In the case of boiling soup, if the melamine vessel has the same color and shape, and its essence is constant, it rarely deteriorates. Placed in boiling water or under steam, its structure will not dissolve, and the surface will not expand and crack. And its insulation is better than that of ordinary materials, and it is not easy to damage when applied with electricity and heat. If you approach it with fire, although it is not as good as gold and stone, it will not melt suddenly, but it is more stable than phenolic resins and other resins.
To the tea utensils in Ruowenfang, melamine resin is often used for eating dishes, spoons and chopsticks. The cover is enough to withstand hot soup and porridge because of its heat resistance, regardless of the loose cups and plates. However, there are also some imperfections. When exposed to high temperatures, it will inevitably slow down and decompose after being roasted for a long time, or there is a trace amount of formaldehyde escaping. It is for human use, and it is always appropriate to abide by the temperature specification. However, daily use, even cooking and heating, can hardly damage its sturdy quality, and it will be used for a long time.
Overall, melamine resin has superior heat resistance, which is better than many plastics. It can hold high temperatures of more than 100 degrees Celsius and is not easy to deform and dissolve. It is an indispensable material for eating utensils and industrial electrical appliances. Its advantages and disadvantages coexist, and it is better to use it with caution. It is strong and heat-resistant, and it is the best choice for craftsmanship.
To the tea utensils in Ruowenfang, melamine resin is often used for eating dishes, spoons and chopsticks. The cover is enough to withstand hot soup and porridge because of its heat resistance, regardless of the loose cups and plates. However, there are also some imperfections. When exposed to high temperatures, it will inevitably slow down and decompose after being roasted for a long time, or there is a trace amount of formaldehyde escaping. It is for human use, and it is always appropriate to abide by the temperature specification. However, daily use, even cooking and heating, can hardly damage its sturdy quality, and it will be used for a long time.
Overall, melamine resin has superior heat resistance, which is better than many plastics. It can hold high temperatures of more than 100 degrees Celsius and is not easy to deform and dissolve. It is an indispensable material for eating utensils and industrial electrical appliances. Its advantages and disadvantages coexist, and it is better to use it with caution. It is strong and heat-resistant, and it is the best choice for craftsmanship.
Is Melamine Resin Environmentally Friendly?
Melamine Resin, scientific name melamine formaldehyde resin, is one of the synthetic polymer materials. Its quality is strong and heat-resistant, and it is widely used in utensils, plates, bonding and other fortifications. However, in terms of its environmental protection performance, it must be stratified and analyzed, and cannot be generalized.
At first, the preparation process is often made of melamine and formaldehyde as the main materials, which are condensed and polymerized. Melamine is a high-nitrogen compound with stable chemical properties, but formaldehyde has an irritating odor and certain toxicity. In resin synthesis, if the reaction is complete, formaldehyde is consumed with very little residue, and the subsequent products are cured and volatile, and the harm to human body can be minimized. However, if the process is not good, the residual free formaldehyde will be released slowly during use. Once accumulated in the air, it may endanger the health of the inhaler, cause irritation, sensitization, and even cause cancer. Therefore, the quality control of synthesis and processing is an important link.
times, melamine resin products are hard and durable, resistant to acid and alkali, and solvent, so the life cycle is long. The service life can reach more than ten years, it is not easy to break, reduce replacement, and can be said to save resources to some extent. And it can be recycled, crushed and reused. Although it is difficult to completely recycle like metal glass, it is superior to traditional disposable plastic products. However, its biodegradability is weak, and it cannot be decomposed by microorganisms when buried in the soil. If it is discarded improperly, it may remain for a long time, resulting in accumulation of garbage and difficulty in recycling resources. Its incineration is prone to harmful gases when the temperature is insufficient, and it should be handled in a standardized manner to avoid secondary environmental pollution.
Re-examining the source of raw materials, melamine synthesis relies mostly on petrochemical products, which are not natural and renewable resources. Back-end resource consumption also has ecological impact, which cannot be ignored. However, with its superior physical properties, it can always save forest trees or reduce the amount of plastic used in daily use, which is also an indirect benefit to the environment.
In summary, Melamine Resin has certain environmental performance from the perspective of use and resources. However, in the production and waste stages, if there is no strict management, the environmental protection will be greatly reduced. Only with perfect craftsmanship and standardized disposal can we improve the long and avoid the short, and practical and environmental protection can be achieved simultaneously.
At first, the preparation process is often made of melamine and formaldehyde as the main materials, which are condensed and polymerized. Melamine is a high-nitrogen compound with stable chemical properties, but formaldehyde has an irritating odor and certain toxicity. In resin synthesis, if the reaction is complete, formaldehyde is consumed with very little residue, and the subsequent products are cured and volatile, and the harm to human body can be minimized. However, if the process is not good, the residual free formaldehyde will be released slowly during use. Once accumulated in the air, it may endanger the health of the inhaler, cause irritation, sensitization, and even cause cancer. Therefore, the quality control of synthesis and processing is an important link.
times, melamine resin products are hard and durable, resistant to acid and alkali, and solvent, so the life cycle is long. The service life can reach more than ten years, it is not easy to break, reduce replacement, and can be said to save resources to some extent. And it can be recycled, crushed and reused. Although it is difficult to completely recycle like metal glass, it is superior to traditional disposable plastic products. However, its biodegradability is weak, and it cannot be decomposed by microorganisms when buried in the soil. If it is discarded improperly, it may remain for a long time, resulting in accumulation of garbage and difficulty in recycling resources. Its incineration is prone to harmful gases when the temperature is insufficient, and it should be handled in a standardized manner to avoid secondary environmental pollution.
Re-examining the source of raw materials, melamine synthesis relies mostly on petrochemical products, which are not natural and renewable resources. Back-end resource consumption also has ecological impact, which cannot be ignored. However, with its superior physical properties, it can always save forest trees or reduce the amount of plastic used in daily use, which is also an indirect benefit to the environment.
In summary, Melamine Resin has certain environmental performance from the perspective of use and resources. However, in the production and waste stages, if there is no strict management, the environmental protection will be greatly reduced. Only with perfect craftsmanship and standardized disposal can we improve the long and avoid the short, and practical and environmental protection can be achieved simultaneously.
How is the physical and chemical stability of Melamine Resin?
Melamine Resin is also a polymer synthesis obtained from the condensation of melamine and formaldehyde. Its shape is tough, bright and colorful, and it is often used in utensils, furniture, and building materials. Looking at its physical stability, it is strong and resistant to falling, not easy to break, compact structure, and high density. Compression and wear resistance, long-term use and not easy to crack. It can also withstand high temperature, and it can maintain its own color within 150 degrees Celsius, and will not melt and deform. The utensils made are washed hundreds of times, and they will not fade, and are not eroded by acid and alkali. They are immortal at room temperature and pressure for the whole year. However, if they are burned in a hot fire or at an ultra-high temperature, although they are not easy to burn quickly, the body will be damaged one after another and will eventually decompose.
To its chemical stability, the internal molecular chain of melamine resin is densely interconnected, and the bond energy is strong, making it difficult to be eroded by weak acids and bases. It is more resistant to alcohol, fat, and alkali, so it is often used to hold a variety of diets. However, the continuous action of strong acids and alkalis can eventually fracture the network structure and cause its performance to be lost. If it is exposed to boiling water and high-concentration detergents for a long time, or slowly releases part of the melamine monomer, the amount is extremely limited and difficult to form.
In addition, its light resistance is also good, the daily exposure is several years, the color is still new, and it is not easy to yellowing. It is not soluble in organic solvents, but it can be corroded by precise decomposition. In short, the melamine resin has a strong structure, wear resistance and heat resistance, waterproof and anti-corrosion, and excellent stability. However, it cannot be relied on for absolute safety, and it will eventually wear out in harsh environments. Use its length skillfully, avoid its shortness, and rarely use it.
To its chemical stability, the internal molecular chain of melamine resin is densely interconnected, and the bond energy is strong, making it difficult to be eroded by weak acids and bases. It is more resistant to alcohol, fat, and alkali, so it is often used to hold a variety of diets. However, the continuous action of strong acids and alkalis can eventually fracture the network structure and cause its performance to be lost. If it is exposed to boiling water and high-concentration detergents for a long time, or slowly releases part of the melamine monomer, the amount is extremely limited and difficult to form.
In addition, its light resistance is also good, the daily exposure is several years, the color is still new, and it is not easy to yellowing. It is not soluble in organic solvents, but it can be corroded by precise decomposition. In short, the melamine resin has a strong structure, wear resistance and heat resistance, waterproof and anti-corrosion, and excellent stability. However, it cannot be relied on for absolute safety, and it will eventually wear out in harsh environments. Use its length skillfully, avoid its shortness, and rarely use it.
What issues should be paid attention to during the processing of Melamine Resin?
Melamine Resin is also a synthetic resin made by chemical process. It is tough, heat-resistant and moisture-resistant, and is widely used in furniture, tableware and decorative materials. However, during its processing, it must be handled with caution, and all technological processes should be detailed. I would like to mention the number of ends to show:
One is temperature control. Heat processing, the reaction needs to be moderate temperature, and it should not be too high coking, nor too low to cause uncured. The rise and fall of temperature must be fine-tuned without sudden changes, so that the molecular structure can be uniformly formed, strong and non-astringent.
Two is the compatibility of additives. When sizing, formaldehyde and other additives are often added. If there is too much formaldehyde, the finished product will be brittle and toxic. If it is insufficient, the cross-linking will be incomplete, resulting in insufficient strength of the finished product. It should be adjusted in accurate proportions so that the chemical reaction is complete.
Third, the environment is clean. In the processing site, it must be clean and ventilated, and dust impurities should not be mixed in, so as to avoid foreign matter inclusion in the resin, which will affect the color and texture. And the ventilation is good, which can prevent the accumulation of harmful gases.
Fourth, anti-virus. During production, more formaldehyde and its volatiles escape, and excessive inhalation is harmful to the body. Workers should wear protective equipment and install ventilation devices in the place to regularly check the air quality to ensure health.
Fifth, the aging is mastered. Blending and curing, both heavy aging. If it is mixed for too long, it will foam, and if it is slightly shorter, it will not be uniform. It must be timed according to experience and adjusted appropriately with the difference of raw material batches.
Sixth, mold management. When the resin enters the mold, the mold must be flat and smooth to obtain the finished product. If the mold cavity is damaged, the finished product will be rough, and it should be repaired at the right time. The mold temperature should also be measured. If it is too cold, it will shrink, and if it is too hot, it will precipitate bubbles.
Dispose of it after seven days. Production residues and wastewater may contain toxic ingredients. It needs to be treated in a circular manner and placed in a special facility, and it must not be discharged arbitrarily.
In short, the processing of Melamine Resin is a matter of science and meticulousness. In preparation, meticulous or negligent, the texture will be insufficient, or even endanger health. Only by following the rules and following the essentials of technology can we produce good products that meet the needs of the world.
One is temperature control. Heat processing, the reaction needs to be moderate temperature, and it should not be too high coking, nor too low to cause uncured. The rise and fall of temperature must be fine-tuned without sudden changes, so that the molecular structure can be uniformly formed, strong and non-astringent.
Two is the compatibility of additives. When sizing, formaldehyde and other additives are often added. If there is too much formaldehyde, the finished product will be brittle and toxic. If it is insufficient, the cross-linking will be incomplete, resulting in insufficient strength of the finished product. It should be adjusted in accurate proportions so that the chemical reaction is complete.
Third, the environment is clean. In the processing site, it must be clean and ventilated, and dust impurities should not be mixed in, so as to avoid foreign matter inclusion in the resin, which will affect the color and texture. And the ventilation is good, which can prevent the accumulation of harmful gases.
Fourth, anti-virus. During production, more formaldehyde and its volatiles escape, and excessive inhalation is harmful to the body. Workers should wear protective equipment and install ventilation devices in the place to regularly check the air quality to ensure health.
Fifth, the aging is mastered. Blending and curing, both heavy aging. If it is mixed for too long, it will foam, and if it is slightly shorter, it will not be uniform. It must be timed according to experience and adjusted appropriately with the difference of raw material batches.
Sixth, mold management. When the resin enters the mold, the mold must be flat and smooth to obtain the finished product. If the mold cavity is damaged, the finished product will be rough, and it should be repaired at the right time. The mold temperature should also be measured. If it is too cold, it will shrink, and if it is too hot, it will precipitate bubbles.
Dispose of it after seven days. Production residues and wastewater may contain toxic ingredients. It needs to be treated in a circular manner and placed in a special facility, and it must not be discharged arbitrarily.
In short, the processing of Melamine Resin is a matter of science and meticulousness. In preparation, meticulous or negligent, the texture will be insufficient, or even endanger health. Only by following the rules and following the essentials of technology can we produce good products that meet the needs of the world.
