Bondloc B406 is a very Low Viscosity Cyanoacrylate that bonds metals, plastics, wood, ceramics, rubber, leather, card, glass and many other materials. Liquid Properties: Ester base: Ethyl cyanoacrylate.Appearance: Clear, colourless.Specific Gravity: 25°C 1.06 g/cm2.Shelf life: 12 months unopened.Viscosity @ 25°C: 25 - 35 mPas. Size: 20g.