United Initiators CUROX?M-403 Methyl ethyl ketone peroxide 1338-23-4
Product Description: CUROX? M-403 is a colorless liquid consisting of a peroxide based on methyl ethyl ketone peroxide, desensitized by a mixture of dimethyl phthalate. It is used as a free radical source for the initiation of unsaturated polyester resins, usually in combination with a cobalt catalyst. Technical Data: Appearance: Clear Liquid Desensitizer: Dimethyl Phthalate Active Oxygen (AO): approx. 9.71 TP6T w/w Hydrogen Peroxide: approx. 1.71 TP6T w/w Moisture: approx. 1.51 TP6T w/w Density at 20°C: approx. 1.1 g/cm3 Viscosity at 20°C: approx. 20 mPa-s Flash Point: > 80°C Pro