logo sncz
partner access
GB FR
Our Pigments

ZINC PHOSPHATES
ZINC PHOSPHATE PZ20
Zinc Phosphate Tetrahydrate, Zn3(PO4)2, 4H2O

Description
PZ20 is a corrosion inhibiting pigment suitable for a wide range of applications, from DIY to more demanding ones such as coil coating. It is a stable and non-hygroscopic white powder with a low tinting strength, it is easily dispersed.

Thanks to its low solubility, Zinc Phosphate PZ20 is compatible with a wide range of solvent and water based resins.
Technical data

 Nominal
Value
Tolerance
(+/-)
Test
method
Fineness HegmanTyp. 5.5ISO 787/5 - ISO 1524
Fineness NorthTyp. 7ISO 787/5 - ISO 1524
D50 (μm)Typ. 4.5Laser granulometry
Specific gravityTyp. 3.3ISO 787/10
pH6.51.0ISO 787/9
Sieve residue - 45 μm (%)0.05maxISO 787/7
Oil absorption (cm3/100g)275ISO 787/5
PO4 content (%) - on the ignited product48.02.0ICP
Zn content (%) - on the ignited product50.02.0ICP
Bonded water content (%) - 1h at 600°CTyp. 15.7Gravimetry
Recommended shelf life : 5 years
Formulators Guidelines

Solvent BornePerformance 
Short Oil Alkyd
Medium oil Alkyd
Long oil Alkyd
2K Epoxy
High Solid Epoxies
Epoxy Ester
PU
Water BornePerformance 
Water reducible Alkyd
Alkyd emulsion
Epoxy Ester
2K Epoxy
Acrylics and Modified acrylics
PowderPerformance 
Polyester
Silicone
Epoxy
Speciality coatingsPerformance 
Wash primers
Coil Coatings
Excellent :     Good :     Possible :     Not recommended : nr
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%
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