ZINC PHOSPHATE

Zinc Phosphate

Publish: 2015-09-23

Product name: Zinc Phosphate

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 metals such as lead and chrome.

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 Metal Micronized Type

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