4 oz. Bottle, Catalyst, (Methyl Ethyl Ketone Peroxide) MEKP
Norox 925H initiator for polyester and vinylester resins, normally added to resin at a rate between 1-3% see resin instructions for details. Mixing instructions are included on the can or bucket.
Must ship GROUND. Containers up to 4oz can ship Fed-Ex or UPS, larger containers must ship via common carrier (truck).