This is like a thick paste applied with a brush to descale the heavy weld scales. It removes discolourations, heat marks, annealing colors, rust particles in and around the welding area caused due to heat evolution during welding. "K-2" paste coverss 90-100 metres of weld seams in 1 kg. of chemical.

This is a semi-gel type of chemical and is used to pickle & passivate large surface area with a spray pump. It also simultaneously removes annealing colours, ferritic contamination and weld burns. "K-2" spray is very safe, convenient and easy to use for cleaning large vessels, agitators, tankers, boilers, heat exchangers pressure vessels, storage tanks etc. It also restores the Mill finish. This form of "K-2" cleans 40 – 50 sq ft.area with 1 kg. of chemical.