Sika Biresin AP077 Polyester Fairing Compound Quart - Fast Cure, High Adhesion for Marine & Fiberglass 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

The Sika Biresin AP077 polyester fairing compound provides a smooth, workable paste designed for quick repairs and finishing applications. This product is ideal for professionals seeking fast curing times and excellent surface quality. Its formulation allows for easier sanding compared to traditional fillers and can be finished seamlessly to a feather edge, making it suitable for a variety of repair tasks. Whether used with a squeegee, spatula, or flat tool, the AP077 ensures a clean application that accepts nearly all types of coatings and decorative films, resulting in a durable and high-quality finish.

This compound exhibits exceptional adhesion to a wide range of substrates including fiberglass, SMC, FRP, epoxy, graphite, Kevlar composites, aluminum, and wood. Its high bond strength makes it suitable for gel coat blister repairs, fiberglass parts restoration, and filling cloth imprints on FRP panels. The quick setting time minimizes downtime, allowing for faster project completion. Additionally, its minimal shrinkage ensures the integrity and smoothness of the repaired surface, reducing the need for extensive finishing work.

Designed for both above and below-waterline applications, the Sika Biresin AP077 excels in environments demanding high service temperatures and low moisture absorption. Its excellent finishing and machinability make it an ideal choice for applications requiring high-quality surface finishes. The product's compatibility with virtually all finishing types ensures versatile use in marine, automotive, and industrial repair scenarios. For detailed application instructions, refer to the owner’s manual available online. This reliable polyester fairing compound helps achieve professional results efficiently, ensuring durable repairs with a smooth, aesthetic finish.

Features:

• Exceptional adhesion to various substrates including fiberglass, aluminum, and wood

• Very quick setting time to reduce repair cycle duration

• Minimal shrinkage for a smooth finish

• High service temperature resistance suitable for demanding environments

• Excellent finishing and machinability for a professional surface

• Accepts virtually all types of finishes and coatings

• Low moisture absorption suitable for above and below-waterline applications