SikaBiresinA(R) AP077 + BPO Cream Hardener - White - QuartFeatures:Gelcoat repair systemEasy to apply - Easy to sandHigh heat-resistance of 400AdegF (209AdegC)Accepts virtually all types of finishesLow moisture absorption for above or below the waterline applicationsMinimal shrink or sink upon cureBonds to epoxy, vinyl ester, polyester, and many substratesQuick-set cure and finishing timeWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.