{"product_id":"west-system-c105a-epoxy-resin-946-ml-32-oz","title":"West System C105A Epoxy Resin – 946 ml (32 oz.)","description":"\u003ch2\u003eWest System C105A Epoxy Resin – 946 ml (32 oz.)\u003c\/h2\u003e\u003cp\u003eA clear, light amber, low-viscosity epoxy resin formulated for superior penetration and adhesion on wood, fiberglass, and select metals. Designed to be paired with a West System hardener, C105A forms the foundation of a versatile, high-strength epoxy system trusted by boatbuilders and repair professionals alike.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLow viscosity (~1000 cP at 70°F \/ 21°C) for deep penetration into wood fiber and fiberglass laminates\u003c\/li\u003e\n\u003cli\u003eSelf-leveling — ideal for roller application on horizontal surfaces\u003c\/li\u003e\n\u003cli\u003eCures across a wide temperature range for flexible job-site use\u003c\/li\u003e\n\u003cli\u003eCan be sanded, shaped, or painted after cure\u003c\/li\u003e\n\u003cli\u003eExcellent adhesive base when combined with thickening fillers to reduce sag on vertical surfaces\u003c\/li\u003e\n\u003cli\u003eRelatively high flash point for safer handling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Hardeners\u003c\/h3\u003e\u003cp\u003eC105A Resin must be used with a West System hardener. Choose based on your working time and temperature needs:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/west-system-c205-hardener-814-ml-27-5-oz\"\u003eWest System C205 Hardener – 814 ml (27.5 oz.)\u003c\/a\u003e — Standard cure, versatile all-season use\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/west-system-c205-hardener-208-ml-7-oz\"\u003eWest System C205 Hardener – 208 ml (7 oz.)\u003c\/a\u003e — Compact size for small repairs\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/west-system-c209sb-extra-slow-hardener-1-24-l-42-2oz\"\u003eWest System C209SB Extra Slow Hardener – 1.24 L\u003c\/a\u003e — Extended working time for large pours or hot conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/west-system-c207sa-special-clear-hardener-315-ml-10-6-oz\"\u003eWest System C207SA Special Clear Hardener – 315 ml\u003c\/a\u003e — For clear coating and bright-finish applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest Use Cases:\u003c\/strong\u003e This is the go-to resin for fiberglass lamination, wood encapsulation, and structural bonding repairs on hulls, decks, and marine woodwork. It excels as a penetrating coat on bare or weathered wood before applying additional epoxy layers. When mixed with a low-density filler, it becomes an effective fairing compound; with colloidal silica, it creates a strong gap-filling adhesive for hardware bedding and joint repairs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e For accurate resin-to-hardener ratios, pair with the \u003ca href=\"\/products\/west-system-c105b-resin-3-74-l-98-gal\"\u003eWest System C105B Resin – 3.74 L\u003c\/a\u003e pump kit or use a calibrated metering pump such as the \u003ca href=\"\/products\/west-system-30625-large-capacity-306-metering-pump-5-1-ratio\"\u003eWest System 306 Large Capacity Metering Pump\u003c\/a\u003e for high-volume work. Incorrect mix ratios are the most common cause of soft or tacky cures — always measure by volume or weight, not by eye.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51233003896868,"sku":"655-C105A","price":81.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/655-105B.jpg?v=1786152016","url":"https:\/\/marisolmarine.com\/products\/west-system-c105a-epoxy-resin-946-ml-32-oz","provider":"Marisol Marine Company","version":"1.0","type":"link"}