国产在线视频不卡一区二区三区-亚洲精品国产高清在线观看不卡-亚洲最大AV无码国产-成人一区二区在线观看视频-亚洲精品无码专区中文字幕亚

Environment friendly flame retardant, used in flame retardant finishing of cotton or polyester fabrics, gives excellent flame retardant effect to the fabric. After treatment, the fabric has no continuous burning and smoldering phenomenon, low volatility, non-toxic, good washing resistance, and can still maintain good effect after repeated washing