Devcon 500gm "UW" Underwater Repair Putty
High-exothermic, non-rusting epoxy putty for use in wet environments and under water. Bonds securely to steel, iron, aluminium, brass, bronze, concrete, wood and plastics. Non-rusting, applies and cures in temperatures down to 4C.
Compressive strength: 39N/mm2.
Max. operating temperature: 93C.
Pot life: 45mins. Mix ratio: 1.40:1.