Sika Biresin AP077 Polyester Fairing Compound – Fast Cure, High Adhesion, Quart Size for Fiberglass and Marine Repairs

SikaBiresin AP077 White Quart ** BPO Hardener Required **

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.

Features:

• Exceptional adhesion
• Very quick setting
• Minimal shrinkage

Usage:

SikaBiresin AP077 can be used in the following applications: gel coat blister repair, fiberglass parts repair, and filling cloth imprint on FRP panels. This material has excellent adhesive and bond strength to fiberglass, SMC, FRP, epoxy, graphite, and Kevlar composites as well as aluminum, wood, and other substrates.

Advantages:

• Exceptional adhesion
• Very quick setting
• Minimal shrinkage
• High service temperature
• Excellent finishing and machinability
• Accept virtually all types of finishes
• Low moisture absorption for above or below-waterline applications

Sika Biresin AP077 is a premium polyester filler and fairing compound designed for professional and DIY repairs on fiberglass, composites, and various substrates. Ideal for marine, automotive, and structural applications, this product provides a smooth, workable paste that cures rapidly, allowing for quick turnaround times on repairs and finishing tasks. Its excellent adhesion, minimal shrinkage, and high service temperature make it suitable for above-waterline and below-waterline applications, ensuring durable and aesthetically pleasing results. Whether repairing gel coat blisters, fiberglass panels, or filling cloth imprints on FRP surfaces, Sika Biresin AP077 offers exceptional performance and versatility. Its compatibility with a wide range of coatings and decorative films simplifies the finishing process, saving time and effort for professionals and DIY enthusiasts alike. The product’s ease of application with a squeegee, spatula, or flat tool, combined with its excellent machinability and finishing qualities, makes it an essential component in any repair toolkit. The quart size provides ample material for multiple repairs, ensuring you have the right amount of product for your project needs.