ZINC CHROMATE CZ20

ZINC POTASSIUM CHROMATE : 3 ZnCrO4, K2CrO4, Zn(OH)2, 2H2O

DESCRIPTION

CZ20 is a low dust, yellow powder. This is a stable and non-hygroscopic powder with a low tinting strength, it is easily dispersed.

Technical data

 NOMINAL VALUETOLERANCE (+/-)​TEST METHOD
Cr as CrO3 content (%)42.0minICP
Zn as ZnO content (%)34.0 minICP
K2O content (%)12.0maxICP
Oil absorption (cm3/100g)224ISO 787-5
Sieve residue - 45 µm (%)0.05maxISO 787-7
Density (g/mL)Typ. 3.5ISO 8130-2
D50 (μm)Typ. 4ISO 13320
Fineness HegmanTyp. 5.5ISO 787-5
ISO 1524
Water soluble CrO3 (g/L)Typ. 1.0ISO 1249
Moisture content (%) - 1h at 105°CTyp. 1.0ISO 787-2
Bonded water content (%) - 1h at 260°CTyp. 8.0 Gravimetry
RECOMMENDED SHELF LIFE : 5 YEARS

Formulators Guidelines

CZ20 can be used in most resin systems.

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