Tec7 is an instantly waterproof adhesive that also bonds, mounts and seals even under water. Tec7 is solvent free adhesive so is food grade safe and practically odourless meaning it can be used throughout the house with causing harm to include fish tanks. Super strong, Tec7 holds up to 27kg in weight once fully cured. Tec7 is fast curing, a 6mm bead takes approximately 24 hours to cure. Tec7 is mould resistant, anti-bacterial and will not shrink.