Underwater Repairs Putty is For repairing, patching and rebuilding equipment in habitually wet environments, even underwater. Bonds to steel, iron, aluminum, brass, bronze, concrete, wood, and plastics. Penetrates moisture; eliminates the need to dry substrates thoroughly before repairs. FASEAL Epoxy Liquid Steel Putty UWModel:FS-110UW A:EPOXY PUTTY B:EPOXY HARDENER A:B=1:1(Volume) A:B=1.5:1 (Weight) Net Weight : 450grm