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Description
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Zinc phosphate
1.Property: Zinc phosphate is the best substitute of conventional
antirust pigments containing heavy metals such as lead and chrome.
2.Usage: Zinc phosphate is widely used in various coating materials
for preparation of waterproof, acid-resistant or corrosion preventive
coating materials such as phenolic paint, epoxy paint, acrylic paint,
paste paint and water-soluble resin paint in the fields of shipbuilding,
automobile, industrial machinery, light metal, household appliances
and metal containers for foods.
Project | Ⅰ | Ⅱ | Ⅲ |
Whiteness % | 85-90 | 90-95 | ≥95 |
Zinc content % | ≥45 | ≥45 | ≥45 |
Phosphate % | 20-30 | 40-46 | 43-47 |
The PH value | 6-8 | 5-7 | 5-7 |
Oil absorption g/100g % | 25-35 | 25-35 | 25-35 |
Residue on sieve( 45um) % | ≤0.5 | ≤0.5 | ≤0.1 |
Moisture % | ≤1.5 | ≤1.5 | ≤1.5 |
Water-soluble salts % | ≤1 | ||
Cd ppm | 10-30 | ||
Cr ppm | 10-30 | ||
Hg ppm | ≤1 | ||
Pb ppm | 50-200 | ||
As ppm | 10-30 |
