日韩中文字幕久久-日韩中文字幕免费视频-日韩中文字幕人妻一区二区-日韩中文字幕在线观看-日韩中文字幕在线观看视频一区-日韩专区

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