SikaBiresinA(R) AP077 White Gallon BPO Hardener RequiredSikaBiresinA(R) AP077 is a polyester filler and fairing compound that offers the user a smooth workable paste with a set fast cure to expedite those applications for repair or finish. It is easier to sand than conventional fillers and can be finished to a feather edge. This material can be easily applied with a squeegee, spatula, or flat tool, and once cured will accept virtually all types of coatings and decorative films.Features:Exceptional adhesionVery quick settingMinimal shrinkageUsage:SikaBiresinA(R) AP077 can be used in the following applications: gel coat blister repair, fiberglass parts repair, and filling cloth imprint on FRP panels. This material has excellent adhesive and bond strength to fiberglass, SMC, FRP, epoxy, graphite, and KevlarA(R) composites as well as aluminum, wood, and other substrates.Advantages:Exceptional adhesionVery quick settingMinimal shrinkageHigh service temperatureExcellent finishing and machinabilityAccept virtually all types of finishesLow moisture absorption for above or below waterline applications