FR-CU（100% Organo Cyclic Phosphonate）
Molecular Formula: C9H20O6P2(CAS # 41203-81-0) + C15H31O9P3(CAS# 42595-45-9)
Appearance: Transparent viscous liquid
Color number: ≤200#
Total phosphorus (%):≥20.5
FR-CU is an efficient cyclic phosphonate flame retardant for the treatment of textile products. It is non-corrosive with high phosphorus content, excellent water solubility on a wide range of fabric type. It mainly used in furnishing, curtaining, building, special workwear and automotive applications. It is particularly suitable for the treatment of polyester fabrics , T/C blends and PU coating to impart a finish that is durable to washing and dry-cleaning.
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