Phosphate coating by dipping

Max. part weight : 25 kg
Max.part dimensions : 750 x 600 x 500 mm

Phosphating is used as the basis of the rubber-metal bond for subsequent vulcanization. Part of the process is acidification at 20 ° C. In addition to the complete phosphating process, you can also order separate degreasing of the parts, or just drilling to remove corrosive waste from the metal surface by dissolving them. Removing the metal from the surface of the metal object that has been produced during its manufacture or rust produced on the steel during storage or operation.
Complete process of phosphate coating:
• Degreasing - removing fats and oils by alkaline methods (hydroxides, surfactants, emulsifiers)
- Rinsing - rinsing with water
- Pickling - removing inorganic residues (rust) using acids (hydrochloric acid, phosphoric acid, sulphuric acid)
- Rinsing - rinsing with water
- Activation - Formation of crystalline nuclei on the top layer of metal (titanium salt). This step significantly determines the character of the later phosphate layer
• Phosphating - Zinc phosphate layer formation with phosphoric acid and zinc salts
- Rinsing - rinsing with water
- Passivization – additional protection by adding salts

The line is fully programmable and the sequence of processes for individual baskets and curtains is fully automated according to the specified program (degreasing, spraying, phosphating).

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