NITRIC ACID, WHITE FUMING Chemical compatibility with O-rings, rubbers, & plastics

White fuming nitric acid, commonly abbreviated as WFNA, is an extremely concentrated form of nitric acid that contains dissolved nitrogen oxides and acts as a powerful oxidizing agent. It is primarily used as an oxidizer in rocket propulsion and in specialized industrial processes requiring strong oxidizing conditions. In systems handling WFNA, compatibility with O-rings, rubber seals, gaskets, and plastic components must be carefully evaluated due to its highly corrosive and reactive nature. Proper storage, specialized handling procedures, ventilation, and appropriate PPE are essential to maintain safe operation.

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