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ZINC PHOSPHATES
ZINC PHOSPHATE PZW2
Zinc Phosphate Di-hydrate, Zn3(PO4)2, 2H2O

Description
PZW2 is a corrosion inhibiting pigment suitable for a wide range of applications. It is an easily dispersed white powder with a low tinting strength.
Thanks to its low solubility, Zinc Phosphate PZW2 is compatible with a wide range of solvent and water based resins.
Technical data

 Nominal
Value
Tolerance
(+/-)
Test
method
Bonded water content (%) - 1h at 600°CTyp. 9.5Gravimetry
Fineness HegmanTyp. 5ISO 787/5 - ISO 1524
Fineness NorthTyp. 6ISO 787/5 - ISO 1524
Specific gravityTyp. 3.3ISO 787/10
pH7.01.0ISO 787/9
Oil absorption (cm3/100g)315ISO 787/5
PO4 content (%) - on the ignited product48.02.0ICP
Zn content (%) - on the ignited product50.02.5ICP
Pb Content (ppm)100maxICP
Cd content (ppm)100maxICP
Recommended shelf life : 5 years
Best performances are obtained with a typical loading of 5 to 12% by weight on the total formulation and a PVC ranging from 20% to 40%
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