zinc phosphate used for improve corrosion resistance and paint adhesion on steel and iron
Provides a base for subsequent coatings
1. IC-2001-1 zinc phosphate Tank liquid preparation (1 ton)
a. Tank reagent: IC-2001-1A zinc-series phosphate coating agent
IC-2001-1B zinc-series phosphate coating agent
b. First, add water to tank with 50 % of the capacity of tank. Second, add NT-125 neutralizer of 4.5 to 5.0 kg. Third, add IC-2001-1A of 50 kg and stir evenly until flocculent precipitate was completely dissolved. Finally, adding margin water, and stir evenly. Confirm process indicators , heat to processing temperature. Before using, add AC-130 accelerator of 1.6 kg and stir evenly.
2. Tank liquid management
Total acidity: 18 to 36
Free acidity: 0.9 to 1.8
Accelerator: 2.0 to 5.0
Temperature: Dipping: 15 to 35 degrees
Spraying: 35 to 45 degrees
Time: Dipping:15 to 25 minutes
Spraying: 2 to 4 minutes
Spraying pressure: 0.6 to 1.0 kg/cm2.
3. package :