Pickling and Passivation Nozzle Gels we deal in are used for large stainless steel surface areas. These are used to remove the weld burns, annealing colors and ferritic contamination. These are safe and simple to use gels, which allow for the simple cleaning of large equipment. Pickling and Passivation Nozzle Gels are helpful in preventing the spatter as well as spatter buildup. They are safe to use when used with most welding equipment. In addition, these are compatible with semi-automatic as well as automatic welding equipment.These can be easily applied and work as the exceptional acid treatments, suited to remove grease as well as oil.