{"id":15451111030935,"title":"West System 403 Microfibers Filler, 28 oz | High-Strength Epoxy Filler","handle":"west-system-403-microfibers-filler-28-oz-high-strength-epoxy-filler","description":"\u003ch3\u003eWest System 403 Microfibers Filler, 28 oz | High-Strength Epoxy Filler\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eHigh-strength epoxy thickening filler 403 Microfibers is a blend of fine fibers designed to thicken mixed WEST SYSTEM Epoxy resin and hardener into a strong, multi-purpose adhesive. It is commonly used for structural bonding, especially when joining wood components.\u003c\/li\u003e\n \u003cli\u003eCreates a gap-filling structural adhesive When added to mixed epoxy, 403 forms a non-slumping adhesive that bridges gaps between parts while still wetting out and penetrating wood fibers for durable bonds.\u003c\/li\u003e\n \u003cli\u003eAdjustable consistency for different bonding tasks The amount of filler added controls the viscosity of the epoxy mixture, allowing you to create both light adhesive blends and thicker bonding mixtures suited for joints and repairs.\u003c\/li\u003e\n \u003cli\u003eCompatible with multiple WEST SYSTEM epoxy systems 403 Microfibers can be used to thicken any WEST SYSTEM epoxy, including 105 Resin-based systems, G\/flex epoxy, and G\/5 Five-Minute Adhesive.\u003c\/li\u003e\n \u003cli\u003eConsistent mixing for reliable results For projects requiring multiple batches, measure the filler added to the first mixture and repeat the same ratios to maintain consistent viscosity and bonding performance.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-10-28T15:58:14+11:00","created_at":"2026-10-27T14:11:19+11:00","vendor":"West System","type":"Wood Filler","tags":["home_improvement_Oct2026"],"price":28700,"price_min":28700,"price_max":28700,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":68164200169623,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0006JJ9U2","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"West System 403 Microfibers Filler, 28 oz | High-Strength Epoxy Filler","public_title":null,"options":["Default Title"],"price":28700,"weight":762,"compare_at_price":null,"inventory_management":"shopify","barcode":"811343011215","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B0006JJ9U2.jpg?v=1793090741"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B0006JJ9U2.jpg?v=1793090741","options":["Title"],"media":[{"alt":null,"id":46554703003799,"position":1,"preview_image":{"aspect_ratio":0.482,"height":2560,"width":1234,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0006JJ9U2.jpg?v=1793090741"},"aspect_ratio":0.482,"height":2560,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0006JJ9U2.jpg?v=1793090741","width":1234}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWest System 403 Microfibers Filler, 28 oz | High-Strength Epoxy Filler\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eHigh-strength epoxy thickening filler 403 Microfibers is a blend of fine fibers designed to thicken mixed WEST SYSTEM Epoxy resin and hardener into a strong, multi-purpose adhesive. It is commonly used for structural bonding, especially when joining wood components.\u003c\/li\u003e\n \u003cli\u003eCreates a gap-filling structural adhesive When added to mixed epoxy, 403 forms a non-slumping adhesive that bridges gaps between parts while still wetting out and penetrating wood fibers for durable bonds.\u003c\/li\u003e\n \u003cli\u003eAdjustable consistency for different bonding tasks The amount of filler added controls the viscosity of the epoxy mixture, allowing you to create both light adhesive blends and thicker bonding mixtures suited for joints and repairs.\u003c\/li\u003e\n \u003cli\u003eCompatible with multiple WEST SYSTEM epoxy systems 403 Microfibers can be used to thicken any WEST SYSTEM epoxy, including 105 Resin-based systems, G\/flex epoxy, and G\/5 Five-Minute Adhesive.\u003c\/li\u003e\n \u003cli\u003eConsistent mixing for reliable results For projects requiring multiple batches, measure the filler added to the first mixture and repeat the same ratios to maintain consistent viscosity and bonding performance.\u003c\/li\u003e\n \u003c\/ul\u003e"}