9 Tank Phosphating Process for Powder Coating on Metal : A Complete Guide for Powder Coating
Our 8 Tank Phosphating Process Chemicals which includes Degreasing chemical, Phosphating Chemical etc. are safe and Biodegradable.
Our 8 Tank Process chemicals are ready to use for metal surface pretreatment.In addition, we provide free consultation for setting up the 8 Tank Process plant.This helps you achieve a smooth setup and consistent coating quality.
we provide expert guidance and complete support to ensure a smooth and successful setup of the plant
The 9-Tank Phosphating Process Steps for Powder Coating on Metal
The 9-tank phosphating process is a multi-step procedure designed to thoroughly clean, coat, and rinse metal parts to prepare them for powder coating. Each tank in the sequence serves a specific purpose, ensuring optimal surface preparation and coating adhesion..Following are the steps of 9-Tank Process for Powder Coating on Metal Surface.
- Degreasing
- Rinsing
- Derusting
- Rinsing
- Surface Activation
- Phosphating
- Rinsing
- Passivation
- Final Rinsing
1)Degreasing in 9 Tank Process : .
Purpose: Remove oils, grease, and dirt from the metal surface.
Chemical Required: Alkaline cleaner from Mahavir Chemicals.
Temperature: Room temperature/60-70°C.
Duration: 10-15 minutes.
Quantity: 5% concentration of alkaline cleaner in water.
Mahavir Chemicals’ alkaline cleaner is formulated to effectively break down contaminants, ensuring a pristine surface for the subsequent steps.
2)Rinsing in 9 Tank Process : .
Purpose: Wash off the degreasing chemicals.
Chemical Required: Clean water.
Temperature: Room temperature.
Duration: 2-3 minutes.
Quantity: Freshwater.
3)Derusting in 9 Tank Process : .
Purpose: Remove rust and scale from the metal.
Chemical Required: Mineral acid based Derusting chemical.
Temperature: Room temperature
Duration: 10-15 minutes.
Quantity: 10-25% derusting solution in water.
Mahavir Chemicals provides high-purity acids that effectively clean the metal without causing damage, ensuring an ideal surface for coating.
4)Rinsing : .
Purpose: Wash off the pickling acid.
Chemical Required: Clean water.
Temperature: Room temperature.
Duration: 2-3 minutes.
Quantity: Freshwater.
5)Surface Activation in 9 Tank Process : .
Purpose: Prepare the metal surface for phosphating.
Chemical Required: Titanium phosphate from Mahavir Chemicals.
Temperature: Room temperature
Duration: 1-3 minutes.
Quantity: 0.2-0.3% concentration of titanium phosphate in water.
The activation solution from Mahavir Chemicals ensures a uniform and receptive surface for the phosphating process.
6) Phosphating in 9 Tank Process : .
Purpose: Create a phosphate layer on the metal for better coating adhesion.
Chemical Required: Zinc phosphate from Mahavir Chemicals.
Temperature: Room Temperature/40-50 degrees
Duration: 10-20minutes.
Quantity: 5% concentration of zinc phosphating solution in water.+0.1% accelerator
Mahavir Chemicals’ zinc phosphate delivers a robust and adherent layer, crucial for the durability of the powder coating.
7) Rinsing : .
Purpose: Remove excess phosphate solution.
Chemical Required: Clean water.
Temperature: Room temperature.
Duration: 2-3 minutes.
Quantity: Freshwater.
8)Passivation in 9 Tank Process : .
Purpose: Enhance corrosion resistance.
Chemical Required: Chromic acid or trivalent chromium from Mahavir Chemicals.
Temperature: Room temperature
Duration: 1-2 minutes.
Quantity: 0.1% concentration of passivation solution in water.
The passivation solutions provided by Mahavir Chemicals offer superior corrosion protection, extending the life of the coated metal.
9) Final Rinsing : .
Purpose: Ensure no residues remain.
Chemical Required: Deionized water.
Temperature: Room temperature.
Duration: 2-3 minutes.
Quantity: Deionized water.
- Enhanced Corrosion Resistance: The phosphate coating significantly improves the metal’s resistance to corrosion.
- Improved Adhesion: Ensures better adhesion of the powder coating, leading to a more durable finish.
- Consistent Quality: Each step is meticulously designed to ensure uniform treatment of all parts.
