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MODIFIED ZINC PHOSPHATES
PHOSPHINAL PZ04
Zinc Aluminium Phosphate Zn3Al(PO4)3, x H2O, [x from 4 to 8]

Description
Phosphinal PZ04 is a Zinc Aluminium Phosphate developed to give higher and longer anticorrosion performance to the epoxy coatings than standard Zinc Phosphate. It is a stable and non-hygroscopic white powder with a low tinting strength, it is easily dispersed.

Phosphinal PZ04 is suitable for a wide range of solvent and water based resins. This pigment is specifically adapted to Epoxy resins.
Technical data

 Nominal
Value
Tolerance
(+/-)
Test
method
Fineness HegmanTyp. 5ISO 787/5 - ISO 1524
Fineness NorthTyp. 6ISO 787/5 - ISO 1524
D50 (μm)Typ. 5Laser granulometry
Specific gravityTyp. 2.7ISO 787/10
pH6.81.0ISO 787/9
Sieve residue - 45 μm (%)0.05maxISO 787/7
Oil absorption (cm3/100g)355ISO 787/5
Al content (%) - on the ignited product4.51.0ICP
PO4 content (%) - on the ignited product47.0minICP
Zn content (%) - on the ignited product41.53.5ICP
Loss on Ignition (%) - 1h at 600°CTyp. 18.0Gravimetry
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 primersnr
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.
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