Butanox LPT-IN Hardener is a methyl ethyl ketone peroxide (MEKP) from Polyklear is used for the curing of unsaturated polyester resins in the presence of cobalt accelerator at room and elevated temperatures. It is added to polyester and vinyl ester resins at 1-2% of resin weight.
Low water content
Gives very slow gelling to resin
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