The differences between passivation treatment and anti-rust oil are as follows:
The last process step in chemical cleaning of passivation treatment is a key step, and its purpose is to prevent corrosion of materials.
Second, anti-rust oil is a reddish-brown appearance with anti-rust function of the oil solvent. It acts as a barrier between air and metal parts. According to the performance and use, rust removal oil can be divided into fingerprint removal type anticorrosive oil, water dilution type anticorrosive oil, solvent dilution type anticorrosive oil, anticorrosive lubricating oil, seal anticorrosive oil, replacement type anticorrosive oil, thin layer oil, anticorrosive grease and gas phase anticorrosive oil. Corrosion inhibitors commonly used in rust prevention oil include alkali-earth metal salts of fatty acids or naphthenic acid, lead naphthenate, zinc naphthenate, sodium petroleum sulfonate, barium petroleum sulfonate, calcium petroleum sulfonate, talfatenediamine trioleate, rosin amine, etc.