WEST SYSTEM 105 Epoxy Resin and Hardeners make up a versatile epoxy system that can be used for everything from basic, long-lasting repairs to the construction of high-performance composites. When blended at the appropriate mix ratio, WEST SYSTEM Epoxy Resin and Hardeners will cure to a high-strength plastic solid at 72°F (22°C). The resulting plastic adheres tenaciously to a wide range of materials including woods, fibreglass and other reinforcing materials, and metals. Select from a range of hardeners and additives to tailor your epoxy mixture’s handling characteristics and cured physical properties to suit your working conditions and specific coating or bonding application.