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Description
AP077 is a fast-curing, easy-to-sand polyester filler and fairing compound sold in a white gallon that requires a BPO hardener. Designed for marine, automotive, and industrial repairs, it delivers a smooth, workable paste with reliable adhesion across many substrates.
- Size/Packaging: White gallon container
- Hardener required: BPO hardener required
- Formulation: Polyester filler and fairing compound
- Color: White
- Adhesion: Exceptional adhesion to fiberglass, SMC, FRP, epoxy, graphite, Kevlar®, aluminum, wood, and more
- Setting time: Very quick setting for faster repairs and shorter downtime
- Shrinkage: Minimal shrinkage to maintain accurate dimensions and a clean finish
- Finish edge: Feather-edge finish that sands readily
- Application: Easy to apply with a squeegee, spatula, or flat tool for consistent application
- Post-cure compatibility: Accepts virtually all types of coatings and decorative films after curing
- Temperature tolerance: High service temperature capability for demanding environments
- Moisture resistance: Low moisture absorption; suitable for above or below waterline applications
- Finish and machinability: Excellent finishing and machinability for a smooth, high-quality surface
- Applications: Gel coat blister repair; Fiberglass parts repair; Filling cloth imprints on FRP panels
- Manufacturer: Sika
- Manufacturer Part No: 606547
- Product line: SikaBiresin AP077
AP077 delivers strong adhesion and rapid cure without compromising finish quality. Its broad compatibility with fiberglass, composites, metals, and wood makes it a versatile choice for boatyards, manufacturers, and DIY enthusiasts tackling marine, automotive, or industrial projects. The feather-edge, easy-to-sand finish helps achieve a clean, professional surface ready for coatings and decorative films after curing, while minimal shrinkage aids in maintaining accurate dimensions during repairs.
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