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Difference between flame retardant and fire resistant leather

2021-06-09 09:31:58

Difference between flame retardant and fire resistant leather

"Flame retardant" literally means to prevent combustion. Does it mean to control the fire, that is to say, when the fire reaches the flame retardant material, the fire will become smaller. What do you think? Why flame retardant should be difficult to burn but not non combustible?

Flame retardant is difficult to burn. That is to say, when the combustion condition is worse, it will not burn. It will not supplement the combustion condition to form vicious cycle. It is not to prevent other materials from burning, otherwise it will be called fire extinguishing agent instead of flame retardant! The mysterious advantage of Chinese is also its fatal defect, namely, the existence of different meanings.

Fire prevention generally refers to when the fire occurs, can play the advantage of fire resistance extension

Fire resistance is the ability to operate in specified conditions when burning under specified fire source and time, that is, the ability to maintain clarity and completeness. It refers to the degree of fire prevention, the duration of exposure to fire and the degree of damage

Flame retardant: under the specified experimental conditions, the sample is burned. After the fire source is removed, the flame spread on the sample is only within the limit, and it has the characteristics of self extinguishing, that is, it has the ability to prevent or delay the generation or spread of flame. The fire resistance index is used to evaluate the grade of fireproof materials in engineering.

Leather fabric


It is flammable, combustible, flame retardant and non combustible.

Excellent Leather Flame Retardant should meet the following requirements:

The thermal properties of flame retardant are suitable for leather fabrics: the decomposition temperature of flame retardant should be slightly lower than that of leather to ensure its flame retardancy.

High flame retardant: in order to reduce the amount of flame retardant, although maintaining the handle and physical and mechanical properties of leather, excellent Leather Flame Retardant requires high content of useful flame retardant components. In this respect, we should also pay attention to the synergistic flame retardant benefits of a variety of flame retardants, and strengthen the flame retardancy of flame retardants.

Good adsorption and binding performance with PU leather: we hope it has certain water-resistant and dry cleaning performance, very good, and has some active groups, which can be combined in the leather fiber and not easy to wash out. Flame retardants with poor compatibility with leather are easy to seep out in the process of leather manufacture and use, which affects the durability and other properties of flame retardants.

Non toxicity: in order to ensure the safety of the flame retardant in the process of manufacture, use and leather products in use, the flame retardant is very good, non-toxic and harmless, no irritation to eyes and skin, and low toxicity of combustion decomposition products.

The old cost of the product is low: as for the old cost, we should not only consider the cost of flame retardant, but also comprehensively examine its effect on flame retardant and its proportion in the total old cost of leather making.

Most of the existing flame retardants are small molecule inorganic and organic compounds, which are mainly additive type, insoluble in water, large particle size, difficult to penetrate, poor compatibility with skin and egg white, weak combination and water washing resistance. These flame retardants are difficult to adapt to the wet handling process of leather making.

Some foreign flame retardants with good results are expensive or toxic when burning. It is imperative to independently research and develop a series of highly efficient, environmentally friendly, long-standing and multi-functional flame retardants specially for leather in China. However, Shangang technology is the first to develop non-toxic, environmentally friendly and high flame retardant leather, which is widely applicable to clothing, automobile interior, aircraft interior, home decoration soft bag, etc.



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