Sodium Nitrate Solution for Passivation
Sodium nitrite (NaNO2) forms a protective oxide film that passivates steel surfaces.
Sodium nitrite (NaNO2) forms a protective oxide film that passivates steel surfaces.
Clean the Metal Surface completely either by using Solvent Cleaner / Detergent / Acidic Powder like Sulfamic - CITRIC / Surfactant. After cleaning Passivate with Sodium Nitrite Standard Solution.