欧美一区二区三区片,欧美生活大片在线,国产高清中文字幕,欧美黄色地下一级视频

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