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Callington S‑Weld PassGel‑N Stainless Steel Passivation Gel – 1 Qt
Thick, fluorine‑free passivating gel engineered to enhance corrosion resistance on stainless steel, duplex steel, and Inconel alloys. Designed for in‑field application on vertical and horizontal surfaces.
Fluorine‑free passivation gel suitable where fluorine use is restricted
Improves corrosion resistance by strengthening the chrome oxide passive layer
Gel consistency for easy application on vertical, horizontal, and confined areas
Removes free iron and surface contaminants after grinding, welding, or polishing
Reduces need for equipment disassembly—ideal for in‑field use
Conforms to ASTM A380/A967 and Boeing HP4‑8 standards
Callington S‑Weld PassGel‑N is a heavy‑duty passivating gel for use on metals that require a high level of corrosion resistance. Its thick formulation allows controlled application to a variety of metal surfaces—making it ideal for aerospace, industrial fabrication, and precision assemblies where traditional liquid treatments are impractical.
This gel is especially effective following mechanical surface preparation such as pickling, grinding, or polishing. It removes residual iron and contaminants while creating a consistent passive layer that enhances durability and extends service life. Because the formula is fluorine‑free, it can be used in applications where fluorine compounds are prohibited.
Application & Usage
Before use, clean surfaces thoroughly to remove oils and greases. Stir gel to ensure smooth consistency and apply using the provided acid‑resistant brush. Allow the gel to dwell per recommended times based on material and temperature, then rinse thoroughly with potable water and dry to prevent staining.
Technical Specifications
Formulation: Thick white translucent gel
Specific Gravity: 1.20
pH (as supplied): <1.0
Water Solubility: Miscible
Container Size: 1 Quart (946 mL) with acid‑resistant brush
Shelf Life: 24 months when stored correctly
Approvals: ASTM A380, ASTM A967 Passivation Treatments, Boeing Process Specification HP4‑8
Safety Notice: This product contains corrosive nitric acid. Wear appropriate PPE including gloves, goggles, and protective clothing. Use only in well‑ventilated areas. Follow all safety precautions and first‑aid procedures on the label.
Best priced around great and speedy service!
Also is the better of the 2 options since it is rated at 5,000 psi, not that I go to that high of pressure but I like the safety and security knowing that my chances of it blowing up in my face are a whole lot better and I can also purchase replacement seals for them at the same shop!!!
I bought the DC PTT because I know and trust the DC quality/durability to hold up to using every day. And so far it’s the best PTT I’ve used. I have a couple other no-name PTTs and the cable sheathing is crumbling and falling off. The DC PTT has worked even in sub zero cabin temp conditions when I didn’t have a functioning heater. I bought two to have a spare but the first one has been working great for 300hrs so far.
