Pre-thickened, versatile, epoxy resin for permanent bonding of fiberglass, ceramics, metals, plastics, damp and difficult-to-bond woods.A pre-thickened version of G/flex 650, G/flex 655 is a good choice for making structural bonds that can absorb the stress of expansion, contraction, shock and vibration. It is ideal for bonding dissimilar materials. G/flex 655 is more flexible than standard epoxies and polyester, but much stiffer than adhesive sealants. Mixed at a 1:1 ratio, G/flex 655 gives you 45 minutes of working time at 72F. It reaches an initial cure in 7 to 10 hours and full cure in 24 hours. Includes ounces of resin and four ounces of hardener.Kit Contents4oz. resin; 4oz. hardenerKey FeaturesMore flexible than standard epoxy or polyester resinsStructural bonds absorb stress of expansion, contraction, shock and vibrationGood for bonding dissimilar materialsSpecificationsFormulation: Two-part, pre-thickened epoxyMix Ratio: 1 : 1Working Time: 45min. @ 72FDrying Time: Initial cure: 6-10hrs.; Full cure: 24hrs.G/flex Instructions