ZINC PHOSPHATE PZW2

ZINC PHOSPHATE DI-HYDRATE, Zn3(PO4)2, 2H2O

DESCRIPTION

Zinc phosphate 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 VALUETOLERANCE (+/-)​ TEST METHOD
Zn content (%) - on the ignited product​50.02.5ICP
PO4 content (%) - on the ignited product​48.02.0ICP
Oil absorption (cm3/100g)​315ISO 787-5
Sieve residue - 45µm (%)0.05maxISO 787-7
pH7.01.0ISO 787-9
Pb Content (ppm)​90maxICP
Cd Content (ppm)​100maxICP
Density (g/mL)Typ. 3.2ISO 8130-2
D50 (µm)Typ. 7ISO 13320
Fineness HegmanTyp. 5ISO 787-5
ISO 1524
Bonded water content (%) - 1 h at 600°CTyp. 9.5 Gravimetry
RECOMMENDED SHELF LIFE : 3 YEARS

FORMULATORS GUIDELINE

Excellent:      Good:        Possible:        Not yet tested: __          Not recommended: nr

Solvent BasedPerformance
Short oil alkyd
Medium/long oil alkyd
High solid epoxy
2K epoxy
Epoxy ester
PU
Water BasedPerformance
Water reducible alkyd
Alkyd emulsion
Epoxy ester
2K epoxy
Acrylics and modified acrylics
Specialty coatingsPerformance
Wash primer
Coil coating
Powder coating

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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