It is a two part fast action clear epoxy that has good strength, durability and chemical resistance. It is very easy to use, just mix equal amount of Part A and Part B until the mixture is consistent and apply on areas to be patched, sealed, filled, glued, etc. It will happen n approximately 4 minutes and achieve its full strength after 8 hours. It has very negligible shrinkage and can be applied as one thick layer since its harden by chemical reaction of the epoxy resin and hardener. It bonds to a very wide range including metals, wood, concrete, rigid plastics, crystal glass, fiberglass, ceramic, etc.