Its an eco-friendly type flame-retardant polyester yarn, processed by using P flame-retardant chips during the spinning. Because the flame retardant constituent is equally connected to the macromolecular chain, fabrics made with this yarn has permanent flame-retardant performance. Will reduce flammability and decrease the overspread speed of the fire, without forming a big area of burning, after leaving from blaze, fabrics will self extinguish and anti-burning. Product Attributes: 1. The P more than 6500PPM, LOI(limited oxygen index) more than 32%. 2. Has excellent fabric performance for soft hand touch and goos washing resistance. 3. Its safe and reliable to human body. We can produce both raw white and dope dyed: DTY 50D/48F, DTY 75D/72F, DTY 150D/144F, DTY 300D/288F