ZNP-54 phosphating - ​ZNP-54 is a zinc phosphating chemical produced by Vitarag Chemicals, designed to enhance corrosion resistance and improve paint adhesion on metal surfaces. This product is commonly used in industries such as automotive, furniture manufacturing, and general metal fabrication Basic Steps: 1. Degreasing & Cleaning – Removes oil, dirt, and contaminants using alkaline cleaners or solvents. 2. Rinsing – Prevents contamination before treatment. 3. Pickling (Optional) – Uses acid (like hydrochloric acid) to remove rust and scale. 4. Phosphating – Metal is immersed in a phosphate solution to form a protective layer. 5. Rinsing – Removes excess chemicals. 6. Sealing & Passivation (Optional) – Enhances corrosion resistance using chromates, silicates, or organic topcoats. 7. Drying – Ensures a stable and uniform coating. # ZNP-54 phosphating Manufacturer.