SikaBiresin® 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.
Gelcoat repair system
Easy to apply and easy to sand
High heat-resistance of 400°F (209°C)
Accepts virtually all types of finishes
Low moisture absorption for above or below the waterline applications
Minimal shrink or sink upon cure
Bonds to epoxy, vinyl ester, polyester, and many substrates