Sika 606547 SikaBiresin AP077 White Polyester Filler and Fairing Compound - 1 Gallon (BPO Hardener Required)

Sika SikaBiresin® AP077 is a high-performance polyester filler and fairing compound designed for marine and composite repairs. This smooth, workable paste cures quickly to expedite repair and finishing applications, making it ideal for fiberglass, FRP, and composite substrate work. The compound sands easier than conventional fillers and can be finished to a feather edge for seamless blending.

Key Features:

• Exceptional adhesion to fiberglass, SMC, FRP, epoxy, graphite, Kevlar® composites, aluminum, and wood
• Very quick setting time for fast project completion
• Minimal shrinkage ensures accurate repairs
• High service temperature tolerance
• Excellent finishing and machinability properties
• Low moisture absorption suitable for above or below waterline applications

Applications:

• Gel coat blister repair
• Fiberglass parts repair
• Filling cloth imprint on FRP panels
• General composite and marine repair work

This material applies easily with a squeegee, spatula, or flat tool, and once cured accepts virtually all types of coatings and decorative films. The white color provides excellent coverage and visibility for finish work.

Important: BPO hardener required for proper curing (sold separately). One gallon container.