WEST SYSTEM 403 Microfibres Epoxy Filler 800g Thickens for Wood, Marine & Fibreglass Repair Waterproof, Multi Purpose Adhesive Powder 2 Part Interior Exterior Use

West System 403 Microfiber Additive. WEST SYSTEM 403 Microfiber Additive elevates your epoxy for superior marine bonding. This high-strength thickener enhances structural integrity, toughness, and gap-filling for reliable repairs and constructions. Ideal for wood, fiberglass, and more, it creates robust, load-bearing bonds that withstand boat stresses. Its excellent wetting and gap-bridging properties ensure void-free, tenacious connections. Easily control viscosity for non-sagging pastes on vertical surfaces or hardware bonding. Trust 403 Microfibers for lasting, high-performance marine repairs. WEST SYSTEM 403 Microfiber Additive: The Ultimate High-Strength Thickener for Marine BondingAchieve professional-grade structural bonds and flawless repairs on your vessel with WEST SYSTEM 403 Microfiber Additive. As an essential component for any serious boater´s maintenance toolkit, this high-performance thickener is engineered to significantly enhance the strength, reliability, and gap-filling capabilities of your WEST SYSTEM epoxy. Whether you are undertaking a major restoration project, bonding critical structural components, or performing routine repairs, 403 Microfibers provide the confidence and performance that the marine environment demands.Unmatched Strength for Critical ApplicationsWEST SYSTEM 403 is a premium blend of cotton cellulose fibers, specifically designed to be used as a thickening additive for bonding applications. When mixed with WEST SYSTEM 105 Resin and a 200-series Hardener, it transforms the epoxy into a robust structural adhesive with exceptional toughness and durability. This thickened mixture is ideal for creating powerful, load-bearing bonds that can withstand the stresses of flexing, vibration, and impact common on any boat. Its superior strength makes it the go-to choice for bonding wood, fiberglass, and other marine materials, ensuring your repairs and constructions last for seasons to come.Superior Gap-Filling and Substrate PreparationOne of the standout features of this additive is its ability to create a mixture with outstanding physical properties. A microfiber thickened epoxy provides good pre-sizing or impregnation of the substrate and excellent gap-filling properties. This means the epoxy mixture thoroughly wets out porous surfaces like wood, penetrating the grain to create a tenacious grip and preventing epoxy-starved joints that can lead to failure. For joints that don´t fit perfectly, the 403-thickened epoxy bridges gaps effectively, creating a solid, void-free connection that is often stronger than the surrounding material. The resulting cure is a tough, off-white solid that is also easy to work with and sand, allowing for a smooth, fair finish.Versatile and Easy to UseIntegrating 403 Microfiber Additive into your workflow is simple and allows for precise control over the viscosity of your epoxy. Depending on the desired consistency for your specific task, you can add from 4% to 16% by weight to a West System epoxy mix. This versatility enables you to create a non-sagging paste perfect for vertical and overhead surfaces, structural fillets, or hardware bonding, ensuring the epoxy stays exactly where you need it. For reliable, permanent repairs and construction that maintain the integrity and value of your boat, trust the proven performance of WEST SYSTEM 403 Microfiber Additive. tradeinn Waveinn

Epoxy Adhesive Filler: This Microfibres epoxy filler is a blend of cellulose cotton fibres, used as a thickening additive for bonding application. Epoxy thickened with microfibres provides excellent gap filling properties. Colour: off-white High Strength: A durable & waterproof filler that enhances epoxy resin, delivering superior bonding for marine epoxy resin, wood repair, and all-purpose filler applications Versatile Uses: Use with a 2 part epoxy resin kit to provide optimal curing as part of a fibreglass repair kit, for outdoor adhesive tasks, for wood repair filler, and marine epoxy filler applications. Add 4% to 16% by weight to the epoxy mix. Pair with Epoxy & Hardener: Combine this powder filler with your two-part epoxy and resin accessories for enhanced performance and versatility in all your repairs Waterproof Durability: This epoxy filler exterior solution ensures long-lasting, weatherproof adhesion, making it an essential component in marine epoxy resin and outdoor adhesive tasks