Passivation chemicals are used on stainless steel welds to reduce the corrosion and the appearance of discoloration. it removes free iron or any other unwanted contaminants and promotes the formation of a chromium-rich corrosion-resistant layer....
This is a gel type chemical applied with a brush to descale the heavy weld scales. It removes discolourations, heat marks, annealing colours, rust particles in and around the welding area caused due to heat evolution during welding. "K-2" paste cleans 90-100 metres of weld seams...
Pickling and Passivation process removes free iron contamination left behind on the surface of the stainless steel from machining and fabricating. These contaminants are potential corrosion sites that result in premature corrosion and ultimately...
After metal oxide layers are removed during cleaning, the equipment is prone to corrosion. Hence passivating chemicals are administered in the system to promote rapid formation of protective corrosion inhibitor film on the cleaned metal surfaces....
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