logo sncz
partner access
GB FR
Our Pigments

CHROMATES
ZINC TETRAOXYCHROMATE TC20
Zinc Chromate tetrahydroxyde ZnCrO4, 4 Zn(OH)2

Description
TC20 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
Value
Tolerance
(+/-)
Test
method
Moisture content (%) - 1h at 105�CTyp. 1.0ISO 787/2
Water soluble CrO3 (g/L)Typ. 0.15ISO 1249
Fineness HegmanTyp. 5.5ISO 787/5 - ISO 1524
Fineness NorthTyp. 7ISO 787/5 - ISO 1524
D50 (microns)Typ. 3.5Laser granulometry
Specific GravityTyp. 3.6ISO 787/10
Sieve residue - 45 microns (%)0.05maxISO 787/7
Oil absorption (cm3/100g)355ISO 787/5
Zn as ZnO content (%)68.5minICP
Cr as CrO3 content (%)16.0minICP
Bonded water content (%) - 1h at 320�CTyp. 10Gravimetry
Recommended shelf life : 5 years
Downloads

Find your local agent and distributor
Worldwide network
The easy way to find the best pigment for your specific paint.
product selector
Order a sample and give our pigments a try.
request sample