Trigonox ESP is a peroxide formulation for the curing of unsaturated polyester resins in the presence of a cobalt accelerator. Chemical Description: Methyl isobutyl ketone peroxide and cyclohexanone peroxide, 38% in solvent mixture CAS Number: 37206-20-5; 12262-58-7 Acronym: MIBKP; COX; Tx ESP Information provided by Akzo Nobel Polymer Chemicals. |