Spec:

Chloride and chlorate(as Cl): 0.001%max

Heavy metals(as Pb)I: 0.001%max

Insolubleness: 0.005%max

APS is a suitable initiaor for the emulsion or solution polymerisation of acrylic monomers, vinyl acetate, vinyl chloride etc. and for the emulsion copolymerisation of styrene, acrylonitrile, butadiene etc.. APS is also a kind of oxidizing agent