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What is the standard of Cotton Fabric Flame Retardant?
Cotton fabric flame retardant is one of the textile processes, and its effectiveness can be tested. In today's discussion of Cotton Fabric Flame Retardant, it is actually in terms of the flame retardant applied. The flame retardant penetrates the fabric fiber, and when it encounters flame, it can release non-flammable gas, or form a carbon layer on the fiber surface, isolating oxygen and delaying combustion. According to international standards, its flame retardant performance mainly takes into account the spontaneous combustion temperature, bevel flame continuation, carbonization length and flame continuation time.
Common standards include US (America) NFPA 701, CA TB117, European (EU) EN ISO 15025, Chinese (China) GB/T 5455 and GB 8965.1, etc. Take the national standard GB/T 5455 as an example and test it by vertical combustion method. Those who pass the test require that the burning time should not exceed 5 seconds, the burning time should not exceed 5 seconds, and the damage length should not exceed 150 mm. The European standard EN ISO 15025 is also close. The surface combustion method is divided into the edge combustion method, and the burning duration and carbonization length after flame contact shall prevail. The combustion of the qualified product is terminated quickly, the residual carbonization traces are short, and no molten droplets or harmful substances shall be precipitated. American standard NFPA 701 pays special attention to fabrics in public places. It requires the flame extinguishing speed of the material, and the carbonization and dripping are limited. The test standards are very strict.
If the high flame retardant grade is used, the cotton cloth can often meet the above national standards after being finished with excellent flame retardant. The combustion of these cotton fabrics is delayed, the flame goes out by itself, and the internal quality and soft color are not far from that of the original cotton cloth. However, it should be noted that its flame retardant effect is related to the frequency of use, washing method and the chemicals used. If there are many times of washing and dry cleaning, the flame retardant performance may be reduced, and subsequent treatment is required to maintain its effect.
Today's flame retardant cotton fabrics are widely used in tooling in fire protection, petroleum, chemical, electric power and other industries, and are also used in military and protective fields. Because it is comfortable to wear and flame retardant and safe, it is necessary. However, the cost is higher, and it is also appropriate to take into account economic measures. Overall, today's cotton fabrics can reach the top level of multinational regulations and industry standards after being flame retardant, and their flame retardant function has long been recognized, making them an essential material in the field of safety protection.
How to Clean and Maintain Cotton Fabric Flame Retardant?
Cotton cloth is flame retardant. It is made by special methods and has the property of flame retardancy. It is important for industry, commerce and families. However, if it is cleaned and maintained, if it is not correct, it will be inappropriate for the road, and it will easily damage its properties and reduce its use. If you want to make the flame retardant of cotton fabrics last forever, you should follow the ancient teachings and follow the order.
When cleaning, the first water temperature should not be too high, and 40 degrees Celsius is appropriate. After this, the cotton fiber will be weak. It is better to use a mild soap or a detergent specially designed for flame retardant fabrics. Chlorine-containing bleach should not be used, and strong acids and alkalis should not be used. Stir lightly, do not rub with a force brush, and bleach with water after washing, leaving no residual liquid. If there is any stain, it should be partially pre-applied to the stained area first, gently rubbed and rubbed, and do not use force to prevent damage to the fibers and affect the flame retardant effect.
Drying should be in a cool and ventilated place, avoid exposure to the hot sun, otherwise the cotton fibers will be brittle and the color will peel off. When wet in the rain, wipe it with a cloth towel first. In order to prevent long-term moisture from causing bacteria, it should be dried quickly. It is often advisable to turn over to dry, the inner and outer wheels are easy, and it is more durable. Storage must be dry, and it should not coexist with oil stains and corrosive substances to avoid the loss of flame retardant ingredients. If it is not used for a long time, it should be dusted and ventilated at the right time, and stored in a clean cloth bag to prevent insects
If it wrinkles, you can iron it at low temperature and put a humidified cloth on it to prevent the hot topic from damaging the fiber. Do not use spray ironing to avoid chemical reactions. Reflect on its condition every season. If there is a risk of damage or weakened flame retardant function, it must be repaired or updated. Common sense is tested by testing the fire with water. If the fire is not burned, you can continue to use it. If it has burned, it will not be able to be kept at the end, and it will be used as a waste.
If it is well preserved, its flame retardant ability will last for a long time. Keep it constant, and if you know it is appropriate, you will have no worries.
Are Cotton Fabric Flame Retardants Toxic or Harmful?
Cotton cloth is flame retardant, the cover is made of cotton as raw material, and the flame retardant is treated to make it non-flammable in case of fire, or self-extinguishing when burned. However, to investigate its danger to human safety, it is necessary to carefully investigate the properties of flame retardants. Universal flame retardants in today's world are mostly divided into bromine, phosphorus, chlorine, phytogenic and inorganic types. Some chemical flame retardants, such as bromine and phosphorus-based ones, may cause skin itching, respiratory irritation, and even carcinogenic and teratogenic hazards. However, if inorganic flame retardants such as antimony trioxide and aluminum hydroxide are used, they have little impact on the human body, and only a few people have minor allergies.
In this regard, ancient physicians have a clear lesson: If the smell is heavy, it will hurt if it is close to it. Huaxia clothing has been advocating nature since ancient times, and it does not like to use more chemicals to avoid harming its body. However, in modern times, the population is dense, and public safety comes first, so flame retardant cloth is widely used in homes and public facilities to prevent fire alarms. The inspection standards are also strict, and most of the products sold by the city are qualified. It is practical according to the regulations, and it is often cleaned and ventilated, and the residual toxicity is minimal; on the contrary, if the low-quality flame retardant cloth or the flame retardant exceeds the standard, the harm cannot be ignored.
If you ask "cotton cloth is flame retardant, is it toxic", you should clearly say: cotton is not toxic, but the flame retardant agent is used improperly, or the quality is poor and uninspected, and it is accumulated in the fibers. It has a blind date with the body and skin for a long time. Although it is not highly toxic, it is difficult to avoid minor diseases. However, those with high quality should strictly control the dose and clean it properly, and its toxicity is very low; and the flame retardant is not easy to volatilize, and it is less likely to enter the human body under normal use, and the harm is negligible. It should be noted that with the progress of technology, green flame retardant is also more and more, and harmless ingredients are used, which tends to be safe.
In general, cotton cloth is flame retardant, which is beneficial to disaster prevention and harmful to the agent quality. It is necessary But if you encounter sensitive people, or infants and children are fragile, you should try it first, and then apply it after inspection. In this way, you can enjoy both safety and health.
How Long Does Cotton Fabric Flame Retardant Last?
In the past, people used cotton silk for making clothes, but the cotton fiber was soft and easy to burn in case of fire. It was necessary to use flame retardant methods to ensure safety. In this world, the craftsmanship is more refined, and the chemical technology is improving day by day. The so-called "Cotton Fabric Flame Retardant" means that cotton fabrics are applied with flame retardant to prevent fires. When it comes to how long its flame retardant effect can be maintained, it is necessary to understand its rationale, distinguish its nature, and investigate its use.
The types of flame retardants in the cover are very diverse, and they are roughly divided into two categories. One is the post-finishing method, that is, the fabric is woven and then coated with flame retardant, so that the medicine penetrates into the fiber, so that the flammable cotton is no longer flammable; the other is the bulk spinning method, which is mixed with flame retardant ingredients when the fiber is initially made, so that the flame retardant is more firm. The two methods have advantages and disadvantages. The post-finishing method is simple and easy, and the price is high. However, the flame retardant effect decreases with the number of washes. Daily use is frequent, and the flame retardant may be lost every time it is cleaned. Ordinary flame retardant cotton cloth is often taught to withstand 20 to 50 washes, and it is worn out by the sun after being exposed to the sun, and the effect is gradually fading after the age. If it is well maintained If an advanced formula is applied to make a durable flame retardant cotton cloth, its washable resistance can reach more than 100 times, the flame retardant performance can be guaranteed forever, and it will be used naturally for a longer time. As for the bulk spinning method, the flame retardancy is embedded in the molecules, and the fire resistance is not easy to reduce. After hundreds of washes, it has not been greatly reduced.
However, no matter what method is used for a long time, the fabric will age, the fibers will be brittle, and it will be difficult to guarantee the flame retardant power at the beginning. If you want its effect to last, you should follow the manufacturer's instructions, wash it moderately, do not impregnate it with strong acids and alkalis, do not expose it to the sun, and do not cause mechanical damage. It is still effective for home use, or three or five years. Industrial use is tested according to the standard cycle and must be updated regularly. In short, the flame retardant effect is not eternal. The more refined the craftsmanship and proper maintenance, the longer the life; if the craftsmanship is rough and the protection is not careful, it will also be damaged quickly.
In summary, the flame retardant function of Cotton Fabric Flame Retardant can often last for several years if it is applied with good craftsmanship and good maintenance. If it is washed frequently, it may also be worn out. All flame retardants depend on people's good use and protection.
What industries and occasions is Cotton Fabric Flame Retardant suitable for?
The flame retardant technology of cotton cloth is due to the improvement of technology and is widely used in many industries and occasions. Because cotton cloth is soft in nature and absorbs moisture and breathable, it is flammable in case of fire and easy to cause disasters. Today, it is applied by flame retardant technology. Although it encounters an open fire, the burning speed is extremely slow, and the fire extinguishes itself. The hidden danger of fire is greatly reduced, and the safety performance is obvious. It is widely used in all industries.
First, the field of fire rescue. Firefighters often wear such flame retardant cotton uniforms and are on duty in the fire scene to protect the body from burning. Second, electric power, chemical industry and other high-hazard industrial fields. Workers work in substations, chemical plants and oil depots. In case of electric sparks or chemical leaks, cotton flame retardant clothing can effectively resist flame attack and enhance self-protection.
Another example is high-risk positions such as coal mines and oil exploration. Underground operations or oil and gas extraction, fire concerns are deep, and flame retardant cotton clothing has become the first choice for enterprise employees. Third, high-temperature heat source environments such as metal smelting, casting and welding, workers use this to cover the whole body to prevent metal splashing and high temperature attacks.
In addition, the transportation industry such as locomotive drivers, passenger aircraft crew, and ship crews use this cloth as clothing to prevent problems before they occur. There are also military and police teams, who face special missions and often use flame retardant cotton cloth as clothing for field battles, drills, and specific occasions. Performing arts, fireworks, stage lighting, also need fire protection to ensure people's safety, and flame retardant cotton cloth is indispensable.
And so on, crowns, bedding decorations, tents, fire retardant properties, so that they can be used in hotels, hospitals, schools and many other public places to ensure the safety of all beings. Whether it is employee uniforms or special equipment, they are favored because of their low toxicity, harmlessness, comfort and durability, and easy maintenance.
To sum up, the application of cotton flame retardant technology, penetrating industrial, transportation, and civilian fields, is an important part of today's society to maintain personal and property safety and build a harmonious society.