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Passivation |
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Passivation |
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QQ-P-35 ASTM A380-96, Type II, IV, VII and VIII |
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Passivation is a process that removes and dissolves iron particles and foreign materials imbedded into the surface of stainless steel. Passivation dissolves contaminants by immersing the stainless steel in a nitric acid solution leaving the surface with a thin, transparent passive film. It is an exception surface preparation for further plating and painting treatments. |
