Zinc Phosphate

zinc-phosphate

Zinc Phosphate

Zinc Phosphate is a white , nonrefractive , corrosion inhibiting pigment used in protective coating systems . It is generally indentified as Zinc Phosphate Dihydrate.

CAS.No. 7779-90-0 Molecular formula Zn3(PO4)2 Molecular weight 386.11 g/mol Structure Zn3(PO4)2

Application

  • Cement
  • Pharma
  • Paint & coating - Powder paint , electrophoretic coatings . corrosion protection

Specification

Technical name Zinc Phosphate Dihydrate
Appearance White Powder
Zinc as Zn 50.5 - 52.0
Phosphorous as PO43- 47.0 - 49.0
pH 6.0 - 8.0
Lead as Pb Max. 10 ppm
Average particle size 2.0 - 3.0 µ
Sieve residue 32 microns % Max. 0.01 µ
Cadmium as Cd Max. 10 ppm