Pure polyester flame-retardant yarn has soft handle, good flame-retardant effect, obvious flame-retardant effect, no open flame and automatic extinguishing. It has been widely used in the fields of textiles, home textiles, curtains, carpets, cushions, webbing and so on. It is an ideal raw material for the production of flame retardant fabrics and aviation blankets Various specifications and ratios can be ordered and spun according to the requirements of customers. Flame retardant yarn is a special fabric that can delay the flame combustion. It is mainly used to make protective clothing, special functional clothing, industrial fabrics, and is widely used in fire protection, clothing, petroleum, electric power, natural gas, metallurgy, machinery, mining, chemical industry, coal, aviation, shipping and other industries.