FR-CU is an efficient cyclic phosphonate flame retardant for the treatment of textiles. It is non-corrosive with high phosphorus content, excellent water solubility on a wide range of fabric type. It is mainly used in furnishing, curtaining, building, special workwear and automotive applications. It is particularly suitable for the treatment of polyester fabrics, PU coating and flexible polyurethane foams.
Properties
High heat stability and good retain of hand feel and drape after processing
Low volatility and good compatibility to major polymer
Little discoloration after treatment
High durability to washing and good retain of color brightness.
Non-toxicity and high safety.
Specification
Appearance: Clear highly viscous liquid
Color Number: 100 max.
Phosphorus, Wt% : 20.5% min.
Acid Number (mg KOH/g): 10 max.
Density (g/cc @ 25℃): 1.2-1.3
Viscosity @ 20℃( Cps): 150000max.
DMMP Assay, Wt%: 0.5%max.
TMMP Assay, Wt%: 0.5%max.
Durable to washing times: 50 times min.
