Sika Biresin AP077 White Polyester Filler and Fairing Compound with BPO Hardener

SikaBiresin AP077 White Gallon 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 is a high-performance polyester filler designed for professional repair and finishing applications. This white, workable paste provides a smooth surface finish and features a fast curing time, enabling quick turnaround for repairs. Its easy application with a squeegee, spatula, or flat tool allows for efficient work on a variety of substrates, making it ideal for repairing gel coat blisters, fiberglass parts, and filling cloth imprints on FRP panels. Once cured, Biresin AP077 accepts virtually all types of coatings and decorative films, ensuring a seamless final appearance. The product’s excellent adhesion, minimal shrinkage, and high service temperature make it suitable for both above and below waterline applications, giving users confidence in its durability and performance. Its compatibility with fiberglass, SMC, FRP, epoxy, graphite, Kevlar composites, aluminum, and wood broadens its usability across different materials. Additionally, Biresin AP077 is known for its excellent finishing and machinability, allowing for precise sanding and shaping to achieve the desired surface quality. This material’s low moisture absorption further enhances its suitability for marine, industrial, and structural repairs, providing a reliable solution for demanding environments.

Features:

• Exceptional adhesion to various substrates

• Very quick setting for rapid repairs

• Minimal shrinkage ensures a smooth finish

• Accepts virtually all types of finishes

• High service temperature for demanding applications

• Excellent finishing and machinability

• Low moisture absorption for marine and structural use