Zinc phosphate (High Purity Anti-Corrosive Pigment)
CAS NO. 7779-90-0
Chemical formula: Zn3(PO4)2.2H2O

Zinc phosphate is for anti-corrosion paint used in container, ship and steel structures, electronic materials, flame retardant...etc.

Zinc phosphate is soluble in acid or alkali solution, insoluble in water or alcohol.

Physical properties / Specification
Appearance: White Powder
Whiteness %: 90 – 96
Zn (on ignited) wt.%: 50 - 52
PO4(on ignited) wt.%: 47 - 50
Moisture wt.% : Max1.5
Oil Absorption ml/100g: 25 - 35
PH Value: 6 - 8
Density g/cm3: 2.5 – 3
Cr % ppm: ≤30
Cd % ppm: ≤30
Pb % ppm: ≤100
Particle size um: 4-6
Residue on sieve (325mesh) wt.%: Max0.05
Bonded water content (%): 9-12 (1H at 600°C)

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