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Your cart is empty.G/flex 650 is a toughened, versatile, liquid epoxy for permanent waterproof bonding of fiberglass, ceramics, metals, plastics, damp and difficult-to-bond woods. With a modulus of elasticity of 150,000 PSI, it is a bit more flexible than standard epoxies and polyester, but much stiffer than adhesive sealants. This gives it the ability to make structural bonds that can absorb the stress of expansion, contraction, shock, and vibration. It is ideal for bonding dissimilar materials. 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, this 2-part epoxy gives you 46 minutes of pot life at 72°F and an open (working) time of 60-75 minutes. It reaches an initial cure in 3 to 4 hrs and a workable cure in 7-10 hours.
William
Reviewed in the United States on February 11, 2025
Like all West System epoxy it works. I have used it on brass to wood and it has held up very well
Eric Charles
Reviewed in the United States on August 19, 2024
I thought.This was great stuff. I patched several holes on a black tank on an rv. Most products wont stick to a plastic like that. I used fiberglass mesh between coats. Worked like a charm. Saved a ton of money and the headache of having to replace the black tank.
Customer
Reviewed in the United States on December 27, 2023
Great product
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