APS

APS by United Initiators is ammonium persulfate. It acts as an initiator (source of free radicals) for the emulsion or solution polymerization of acrylic monomers, vinyl acetate, vinyl chloride and emulsion co-polymerization of styrene, acrylonitrile, butadiene etc. Also acts as a strong oxidizing agent in many applications, de-sizing agent/bleach activator in textile for cold bleaching and as a disinfectant. It is a white, crystalline, odorless salt with the molar mass 228,20g/mol. APS has an advantage of having a good storage stability as a result of its extremely high purity and of being easy and safe to handle. Due to its hygroscopic character it tends to lumping, especially in humid atmosphere and can be optionally supplied with an addition of silicic acid.