Sika 609801 SikaBiresin AP077 White Polyester Filler & Fairing Compound Quart

SikaBiresin® AP077 is a professional-grade polyester filler and fairing compound designed for marine and composite repair applications. This smooth, workable paste features a fast-set cure that expedites repair and finishing work while delivering superior performance compared to conventional fillers. The compound is easier to sand and can be finished to a feather edge for seamless repairs.

Key Features:

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

Applications:

• Gel coat blister repair
• Fiberglass parts repair and restoration
• Filling cloth imprint on FRP panels
• General composite fairing and surface preparation

The compound can be easily applied with a squeegee, spatula, or flat tool, and once cured accepts virtually all types of coatings and decorative films. Supplied in a quart can. Note: BPO (Benzoyl Peroxide) hardener required and sold separately.