WS 3634 Gel "Non-Hazardous Welding Bead Passivating Gel"

Passivating gel that restores the passive layer quickly and homogeneously on all surfaces of stainless steel and its alloys. Its formula does not contain nitric acid, which makes it a non-hazardous product for the operator. It is highly effective since it recovers 100% of the surface resistance to corrosion.