{"product_id":"sika-biresin-ap077-white-polyester-filler-fairing-compound-with-bpo-hardener-fast-cure-easy-sanding-high-adhesion-for-marine-fiberglass-repairs","title":"Sika Biresin AP077 White Polyester Filler \u0026 Fairing Compound with BPO Hardener – Fast Cure, Easy Sanding, High Adhesion for Marine \u0026 Fiberglass Repairs","description":"\u003cp\u003e\u003cstrong\u003eSikaBiresin AP077 White Gallon BPO Hardener Required\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSikaBiresin 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExceptional adhesion\u003c\/li\u003e\n\u003cli\u003eVery quick setting\u003c\/li\u003e\n\u003cli\u003eMinimal shrinkage\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eUsage:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSikaBiresin 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAdvantages:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExceptional adhesion\u003c\/li\u003e\n\u003cli\u003eVery quick setting\u003c\/li\u003e\n\u003cli\u003eMinimal shrinkage\u003c\/li\u003e\n\u003cli\u003eHigh service temperature\u003c\/li\u003e\n\u003cli\u003eExcellent finishing and machinability\u003c\/li\u003e\n\u003cli\u003eAccept virtually all types of finishes\u003c\/li\u003e\n\u003cli\u003eLow moisture absorption for above or below waterline applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003eThe Sika Biresin AP077 is a premium polyester filler and fairing compound designed for professional marine, fiberglass, and composite repairs. Ideal for boat builders, repair technicians, and DIY enthusiasts, this high-performance product provides a smooth, workable paste with rapid curing to streamline repair projects and enhance surface finishing. Its quick set time significantly reduces downtime, allowing for faster progression from application to sanding and finishing. Once cured, Sika Biresin AP077 accepts virtually all types of coatings and decorative films, making it a versatile choice for a wide range of substrates and repair scenarios.\u003c\/p\u003e\u003cp\u003eThis product offers excellent adhesion to fiberglass, SMC, FRP, epoxy, graphite, Kevlar composites, aluminum, wood, and other materials. Its minimal shrinkage ensures a seamless, professional finish, particularly advantageous for gel coat blister repair, fiberglass part restoration, and filling cloth imprints on FRP panels. Its high service temperature and low moisture absorption make it suitable for above or below waterline applications, providing durability and stability in demanding environments. Application is straightforward using a squeegee, spatula, or flat tool, and the cured surface is easy to sand, machinable, and ready for subsequent coatings. Designed for repair professionals and serious DIYers, Sika Biresin AP077 ensures a reliable, high-quality finish in a broad array of composite repair projects.\u003c\/p\u003e\u003cp\u003e**Key Features:**\u003c\/p\u003e\u003cul\u003e\u003cli\u003eExceptional adhesion to a variety of substrates for durable repairs\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eVery quick setting time to accelerate project timelines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMinimal shrinkage for seamless surface finishing\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh service temperature for demanding applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy to sand, finish, and accept all types of coatings\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for above and below waterline repairs, with low moisture absorption\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExceptional adhesion to fiberglass, composites, metal, and wood ensuring reliable bond strength\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRapid curing reduces repair time and accelerates project completion\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMinimal shrinkage provides smooth, professional surface finishes\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh-temperature resistance suitable for demanding environments\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy to sand and finish, compatible with a wide range of coatings\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIdeal for boat, marine, and fiberglass repairs both above and below waterline\u003c\/li\u003e\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eTruck Freight: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOversized: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":44519684898905,"sku":"92144","price":192.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/92144XL.jpg?v=1786580600","url":"https:\/\/www.marinepartsonly.com\/products\/sika-biresin-ap077-white-polyester-filler-fairing-compound-with-bpo-hardener-fast-cure-easy-sanding-high-adhesion-for-marine-fiberglass-repairs","provider":"Marine Parts Only","version":"1.0","type":"link"}