Sika SikaBiresin® AP077 White Gallon BPO Hardener Required

SikaBiresin AP077 is a polyester filler and fairing compound sold in a white gallon that requires a BPO hardener. It delivers a smooth, workable paste with a fast cure to accelerate repairs and finishing, helping you achieve impeccable results with less sanding.

Highlights

• Exceptional adhesion to a wide range of substrates, including fiberglass, SMC, FRP, epoxy, graphite, Kevlar®, aluminum, wood, and more.
• Very quick setting for faster repairs and shorter downtime.
• Minimal shrinkage to maintain accurate dimensions and a clean finish.
• Feather-edge finish that sands readily compared to conventional fillers.
• Easy to apply with a squeegee, spatula, or flat tool for consistent application.
• After curing, it accepts virtually all types of coatings and decorative films.
• High service temperature capability for demanding environments.
• Low moisture absorption, suitable for above or below waterline applications.
• Excellent finishing and machinability for a smooth, high-quality surface.

Applications

• Gel coat blister repair
• Fiberglass parts repair
• Filling cloth imprints on FRP panels

Why choose SikaBiresin AP077

Engineered for reliability, AP077 provides strong adhesion and rapid cure without compromising finish quality. Its compatibility with fiberglass, composites, metals, and wood makes it a versatile choice for boatyards, manufacturers, and DIY enthusiasts working on marine, automotive, or industrial projects.

Specifications

• Manufacturer: Sika
• Manufacturer Part No: 606547
• Packaging: White gallon
• Hardener: BPO hardener required

Choose SikaBiresin AP077 for a fast-curing, easy-to-sand polyester filler that delivers exceptional adhesion, minimal shrinkage, and a finish ready for a wide range of coatings and decorative films.