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West System 650-CH G/Flex Epoxy Hardener 4.75 GL
Item #: 650-CH by WEST SYSTEM
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Product Overview
A toughened, versatile, liquid epoxy for permanent waterproof bonding of fiberglass, ceramics, metals, plastics, damp and difficult-to-bond woods. It is a bit more flexible than standard epoxies and polyester, but much stiffer than adhesive sealants. It can be modified with WEST SYSTEM fillers and additives, and used to wet-out fiberglass tapes and fabrics. Mixed at a 1:1 ratio, G/flex 650 gives you 45 minutes working time at room temperature. It reaches an initial cure in 7 to 10 hrs and full cure in 24 hrs.