Bondloc B2001 is a hand kneadable, specialty epoxy putty that mixes for permanent repairs to many substrates. Contains fading black dye that becomes grey after mixing. May be applied under water (fresh or salt). Bonds to fibreglass, metal, wood, concrete and glass. Will not yellow to UV exposure. Hardens in 10 minutes, back in service in an hour, full strength in 24 hours. Can be used for repairing tanks and drums, patching holes in pipes, stopping leaks and repairing porosity holes in castings. Specification: Typical Properties: 7 days cured at 24°C Colour: Black, changes to grey after mixing Viscosity: putty/hand kneadable Pot Life @24°C: 20 minutes Comprehensive Strength: 83 N/mm2 Adhesive Tensile Shear: 5 N/mm2 Cured Hardness Shore: D 75 Dielectric Strength: volts/mil 300 Solids: 100% Temperature Resistance: Wet: 49°C, Dry: 121°C Size: 50g