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CAS No.: 7779-90-0
Molecular formula: Zn3(PO4)2·2H2O
Molecular Weight: 422.08
Property: white powder, soluble in inorganic acid and ammonia, insoluble in water and alcohol; density: 2.6-3g/cm3. It is a nontoxic and harmless white antirust pigment with excellent performance in rust prevention and ideal application effect. It is the best substitute of conventional antirust pigments containing heavy
Application:
It can be used as the binder of solvent based paint, like alkyd resin, epoxy resin, epoxy and polyester resin. It also can be used in nontoxic antirust pigment and water soluble resin coating. Moreover, it can be used in chlorinated rubber and synthetic high polymer material as flame retardant.
Packaging: this product is packed with plastic-lined and plastic-coated woven bags or kraft paper sacks, 25kgs per bag.
Storage: kept from breakage, moisture, pollution and contact with acid.
Specification:
|
Item |
General Type |
High Purity Type |
Low Heavy |
|
Whiteness |
≥85 |
≥90 |
≥95 |
|
Zinc Content % |
≥45 |
≥50.5 |
≥45 |
|
Phosphate Salt % |
≥25 |
≥40 |
≥43 |
|
Oil Absorption |
25-35 |
0.1 |
0.3 |
|
Moisture % |
≤1.5 |
≤1.5 |
≤1.5 |
|
Residue (325 mesh) % |
≤0.5 |
≤0.5 |
≤0.1 |
|
PH Value |
6-8 |
6-7 |
6-7 |
|
Water Soluble Salt % |
/ |
/ |
≤1.0 |
|
Cd ppm |
/ |
/ |
≤50 |
|
Cr ppm |
/ |
/ |
≤50 |
|
Hg ppm |
/ |
/ |
≤1.0 |
|
Pb ppm |
/ |
/ |
≤50 |
|
As ppm |
/ |
/ |
≤50 |