Polyamide is commonly known as nylon (Nylon) and nylon, and its English name is Polyamide (PA); PA has good comprehensive properties, including mechanical properties, heat resistance, abrasion resistance, chemical resistance, self-lubrication, and friction Low coefficient, certain flame retardancy, easy to process, suitable for filling and reinforcing modification with glass fiber and other fillers, improving performance and expanding application range.

 So how do we usually identify whether we have nylon cloth or not? Let’s take a look at the identification method of nylon cloth:

 1. If possible, the most accurate method is to melt the nylon with 37% concentrated hydrochloric acid at 20 degrees for half an hour.

 2. If it can be damaged a little bit, burning is undoubtedly the best way. Nylon will melt and shrink when it is close to the flame, it will melt and smoke when it touches the flame, and it will self-extinguish when it leaves the flame. Burning flame milky white, foul smell, amino smell; residue characteristics: hard light brown transparent round beads. To

 3. Or directly use the stretching method, nylon is elastic and elongation is large. However, in practice, the elasticity of DTY low-thread count polyester is similar to that of nylon fabric, and it is difficult for people with less experience to distinguish it.

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