United Initiators CUROX?M-300 Methyl ethyl ketone peroxide 1338-23-4
Description: CUROX? M-300 is a colorless liquid consisting of a mixture of peroxides based on methyl ethyl ketone peroxides desensitized with phthalate plasticizers. This methyl ethyl ketone peroxide is mainly used as an initiator (free radical source) in the curing of unsaturated polyester and vinyl ester resins. Technical Data: Appearance: Colorless liquid Active oxygen: not less than 9.81 TP6T (mass %) Desensitizer: Phthalate plasticizer Density (20°C): approx. 1.148 g/cm3 Viscosity (20°C): approx. 23 mPa-s Not miscible with water, but soluble in phthalates Criticality