S-Weld Passivator Gel


  • Gel consistency for ease of application
  • Enhancement of chrome oxide corrosion resistant (passive) layer
  • Dissolves any residual surface contamination
  • Improved quality of fabricated product

In Stock


S-Weld Passivator is a powerful oxidising gel for the passivation of stainless
steel, duplex steel and inconel alloys. S-Weld Passivator can be used following
pickling, grinding or mechanical polishing of stainless steel to ensure a passive
surface is obtained prior to installation or commissioning of the final product

Additional information

Directions for use



Surface should be pre-cleaned to remove oils and greases before applying passivating agent.
Use Callington S-Weld Brite Wash. Any contamination will shorten the life of the passivating


Stir the gel to ensure a smooth consistency and apply S-Weld Passivator using the acid
resistant brush provided


Application Time

Grade of Stainless

200,300,400 Series
Super Duplex
Inconel 625, 825

Temperature 20 - 38º C

30 – 45 minutes
30 – 45 minutes
30 – 45 minutes
30 – 45 minutes

Temperature 50 - 70º C

10 – 30 minutes
10 – 30 minutes
10 – 30 minutes
10 – 30 minutes


Rinse thoroughly with clean potable water, dry surfaces to prevent water staining (smut). If a
neutralizing agent has been used this must be followed by rinsing again with clean potable water
and surfaces should be dried to prevent water staining