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Equivalent to Fyrolflex RDP, what are the main performance parameters?
Fyrolflex RDP is actually one of the organophosphorus flame retardants. Its chemical name is Resorcinol bis (diphenyl phosphate), referred to as RDP. Its properties are stable, and it is often used in polymer materials to increase flame retardancy, environmental compliance, and is widely favored. In this discussion, the main performance parameters of its equivalents are briefly described as follows:
1. Appearance and quality: mostly colorless to light yellow transparent liquid, clear and less heterogeneous, slightly viscous, conducive to harmony with resin. Second, the molecular formula is usually C30H24O8P2, and its molecular weight is about 606 g/mol. High purity leads to excellent performance.
III. Phosphorus content: Usually between 10.5% and 11.3%. Phosphorus is the main flame retardant active function and the key to improving the self-ignition point. IV. Viscosity value: At 25 degrees Celsius, the dynamic viscosity is about 220~ 280 mPa · s. It can be well dispersed in the matrix and is also easy to produce and process. V. Moisture content: extremely low, mostly less than 0.1%, so as not to affect the resin properties and flame retardant effect.
VI. Acid value: mostly no more than 0.1 mg KOH/g. If the acidity is low, it will not cause corrosion to plastics and additives, ensuring long-term stability of the product. Seven, decomposition temperature: thermogravimetric analysis (TGA) obtained, decomposition temperature is commonly found in 320~ 340 ℃, can withstand high temperature processing requirements, not easy to prematurely precipitate decomposition products. Eight, chromaticity (APHA): generally less than 100, color light is better, reduce the impact on the product.
Nine, compatibility: can be compatible with a variety of synthetic resins such as polycarbonate, ABS, epoxy, PU, etc., a wide range of applications, giving the product excellent physical and flame retardant dual properties. Ten, small mobility, strong durability, reduce the loss of flame retardant components during use, prolong the flame retardant aging.
In addition, RDP and its equivalents are halogen-free, low-smoke, low-toxicity, and comply with environmental regulations. They are used in electrical and electronic, transportation, construction and other fields to ensure safety. To sum up, their equivalent flame retardants need to have the above main performance parameters before they can be used on par with Fyrolflex RDP, and they can be applied to polymer materials to see efficacy.
Equivalent to Fyrolflex RDP, what are the typical application fields?
Fyrolflex RDP is a class of highly effective flame retardant, its chemical name is diphenyl phosphite, which is often used in polymer materials to improve its fire resistance. Its equivalents are widely used in the current modern industrial field, involving a wide range of application fields, especially known for the above characteristics.
In the plastics industry, this agent is often blended with polyolefins, polyvinyl chloride and engineering plastics, so that its products are not easy to burn in case of fire. Such as building materials, floors, wall panels, insulation boards, etc., all rely on it to increase flame resistance. The textile industry also uses its strength to help polyester, acrylic and blended fabrics to make flame retardant fabrics, which are suitable for daily use items such as curtains, seats, carpets, mattresses, etc. However, its advantages are not only to improve flame retardancy, but also to ensure that the fabric's flexibility and texture are not damaged.
In addition, this material is also used in the field of electronics and electrical. Household appliance shells, sockets, circuit boards and other key structures need to be both safe and reliable. Therefore, Guangshan takes the same agent as Fyrolflex RDP to make its flame retardant performance comply with regulations and reduce fire hazards. The demand of the transportation industry is particularly urgent. Railway vehicles, automobiles and aircraft interiors must be made of lightweight polymer materials, and the risk of combustion is even greater. Therefore, automatic vehicle wiring harnesses, interior panels, foam cushions, etc. are supplemented with such flame retardants to meet safety standards.
The manufacture of coatings and adhesives is also essential. For example, building fire protection coatings must have high temperature resistance and fire resistance characteristics, so this agent is often added to enhance its flame retardant effect. Adhesives are more common in floors, walls and structural joints. Adding this agent can not only maintain the original bonding force, but also have the benefit of fire protection.
In summary, those who are equivalent to Fyrolflex RDP are used in polymer material processing, fiber products, electronics and electrical, transportation, coating bonding and other fields. Its popularity is due to its outstanding flame retardant effect and the balance of physical properties. Therefore, the cover is an indispensable aid for modern industrial materials.
Equivalent to Fyrolflex RDP, what are the requirements for packaging and storage conditions?
Fyrolflex RDP is actually an organophosphorus flame retardant. Its similar substances or equivalent substitutes should be carefully packaged and stored. Its properties are slightly moisture-absorbing, and in case of high temperature or strong light, the properties may change slightly. At the same time, there is a risk of decomposition and volatilization. It should be properly disposed of to ensure that its properties are not lost.
Where packing, a plastic bag lined with polyethylene or polypropylene must be used, and it must be placed in an iron drum, plastic drum or paper drum with a strengthened seal. The capacity must be in accordance with the specifications to prevent the infiltration of residual air, and the seal must be tightly sealed to prevent moisture from invading. If the label must state the name of the object, batch number, net weight, manufacturer and warning words such as "keep away from heat sources, moisture, and open flames" for easy identification and circulation.
When stored, the first place should be cool, dry, and ventilated. Do not be near high temperature or hot sun exposure, nor should it be in the same room with oxidants, strong acids, strong alkalis, and combustible substances. The ground should be clean and flat, and the tray should be a little higher from the ground to prevent moisture from invading. If the climate is rainy, it is advisable to check the humidity in the warehouse from time to time. If it is abandoned for a long time, if there is agglomeration, condensation, or weightlessness, it should be sorted and processed. After opening or taking it, fasten the lid of the barrel to prevent it from dissipating.
When loading, unloading and handling, adhere to the importance of handling with care, and strictly prevent impact and drop, so as to avoid damage to the packaging and leakage of materials. The storage period is 24 months. If it is overdue, it needs to be re-tested for its physical and chemical properties before it can be used again. Do not mix with food, seeds, feed, etc., to avoid contamination.
If it is discarded, it should be disposed of in accordance with relevant environmental regulations, so as not to harm the environment. This is equivalent to the packaging and storage of Fyrolflex RDP flame retardant. If you follow it carefully, you must obtain all the materials and keep them safe.
Equivalent to the environmental protection and safety of Fyrolflex RDP?
The so-called Fyrolflex RDP is actually an organophosphorus flame retardant, which is often used in the modification of plastics, rubber and related materials. Today, with the progress of science and technology, the concept of environmental protection is becoming more and more prosperous. Many chemical companies pursue green development and have developed environmentally friendly flame retardant products equivalent to Fyrolflex RDP. In terms of its environmental protection and safety performance, it covers the following numbers.
First, the original Fyrolflex RDP mainly contains phosphorus as an active ingredient, which can form a protective carbon layer on the surface of the material during combustion to reduce harmful flue gas and gas volatilization. New environmentally friendly equivalents also follow this principle, selecting raw materials to control the generation of harmful by-products in the production process. In addition, most modern alternatives do not contain heavy metals, halogens and other ingredients. Although they can decompose at high temperature, the decomposition releases are relatively mild and not easy to cause ecological and environmental pollution.
Second, in terms of human health and safety, Fyrolflex RDP and its equivalents are all low-toxic chemicals. Under reasonable process and use specifications, there is no significant acute harm to human skin contact or inhalation through the respiratory tract. New environmentally friendly alternatives pay more attention to the control of trace precipitates. When used in daily necessities, the fugibility is extremely low and the safety performance is particularly excellent. However, under high temperature combustion, volatile organic compounds must still be prevented to avoid accumulation in closed spaces.
Third, taking into account the recovery and degradation performance, the molecular structure design of environmentally friendly equivalent products is easier to be degraded by microorganisms or the natural environment. In the waste disposal process, the risk of releasing harmful substances is greatly reduced, which is beneficial to the ecological cycle. Some high-end products are prepared with bio-based materials, and the environmental compatibility is better.
However, to evaluate the environmental protection and safety of a product, it is still necessary to clarify the specific application scenarios and composite formulas. The raw materials are pure and the process is appropriate, and Fyrolflex RDP and its green alternatives can achieve the purpose of safety and environmental protection. However, in large-scale applications, it is still necessary to continuously study the environmental impact of its whole life cycle to ensure that it is not vulnerable to universal use. In addition, we should abide by laws and regulations, choose materials carefully, and be careful about chemical circulation and waste management, so as to achieve both safety and environmental protection.
In summary, Fyrolflex RDP's equivalent environmentally friendly flame retardant products, due to process improvement and green concept blessing, are generally environmentally friendly and have excellent human safety performance in modern applications. If it can cooperate with standardized operation, Guyi is widely promoted in various industries.
What is the recommended amount of Fyrolflex RDP in the recipe?
Fyrolflex RDP is also known as Resorcinol bis (diphenyl phosphate) (RDP). It is a commonly used organophosphorus flame retardant and is widely used in the formulation of various polymer materials, especially epoxy resin, polycarbonate, ABS, polyphenyl ether, polyurethane, etc. Its main function is to endow the material with excellent flame retardancy, and it can both plasticize and improve processing performance. However, the recommended addition amount in the formula is not 100%, and it needs to be comprehensively weighed according to the matrix resin, target flame retardant grade and the compatibility of other additives.
Where Fyrolflex RDP is used as the main flame retardant agent, the dosage in general engineering plastics is mostly between 10% and 25% of the total material. If UL-94 V-0 grade is the target, it often needs to be added to 15% to 20% to cope with severe tests. If only V-1 and V-2 grades are pursued, the relative discretion can be reduced. However, the specific amount must be considered in combination with the oxygen index, thermal decomposition behavior, mechanical strength and other factors of the material itself. If combined with a little synergistic flame retardant (such as antimony trioxide, metal hydroxide, nitrogen-based additives), the amount added to the main system can also be appropriately reduced without losing its effectiveness.
RDP is liquid and evenly dispersed in the formula. However, if it is excessive, there is a risk of exudation and precipitation, and the mechanical and electrical properties of the material may be degraded, so the dosage still needs to be moderately controlled. Also pay attention to its resistance to migration and compatibility, so as not to cause dust to adhere to the surface of the material due to excessive addition, or affect the subsequent processing and product molding quality.
In short, the recommended dosage of Fyrolflex RDP is adjusted according to the application scenario, and the cycle test is carried out to find the best balance point. The commonly used starting amount may be added to the target amount step by step from 12%, and the flame retardant effect and the comprehensive performance of the product should be reviewed to determine. In this way, the formula can not only have excellent flame retardancy, but also the reliability of physical properties.