Butanox M-60
Methyl ethyl ketone peroxide
CAS number 1338-23-4
Butanox® M-60 (Cas 1338-23-4) is the work horse in GRP curing systems, with 10% higher active oxygen compared to Butanox® M-50. Medium-reactive, general purpose methyl ethyl ketone peroxide (MEKP) with guaranteed low water content, used for curing unsaturated polyester resins in the presence of a cobalt accelerator at room and elevated temperatures.