These have been developed as an alternative to paste welding. They provide strong and long lasting repair to the surface of metals and many other materials. This paste strengthens any clean place, but if it is dirt or oil, then this paste will not be able to do its job properly. It is very easy to use, it is prepared by mixing it in equal proportion only. It is mixed well and applied in the place from where it is broken. After some time, this paste joins the broken place firmly. After drying this paste becomes hard like iron. It is used for the repair of full tanks, concrete brakes, water taps, iron pipes, plates etc. These pastes are easy to apply, strong to add and available at an affordable cost which solves our problems easily.