Semi-durable flame retardant FSD

Semi-durable flame retardant FSD is an industrial-grade phosphorus- and nitrogen-based organic phosphate flame retardant manufactured directly by Hangzhou Brown Bio-Pharm Technology Co., Ltd, with samples available on request. It is designed for treating cellulose fibers, polyester, acrylic fibers, and wool, offering low hygroscopicity while preserving good fabric feel, and is sold across Asia, the Americas, Europe, the Middle East, and Africa.