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 VALUE | TOLERANCE (+/-) | TEST METHOD | |
|---|---|---|---|
| Zn content (%) - on the ignited product | 50.0 | 2.5 | ICP |
| PO4 content (%) - on the ignited product | 48.0 | 2.0 | ICP |
| Oil absorption (cm3/100g) | 31 | 5 | ISO 787-5 |
| Sieve residue - 45µm (%) | 0.05 | max | ISO 787-7 |
| pH | 7.0 | 1.0 | ISO 787-9 |
| Pb Content (ppm) | 90 | max | ICP |
| Cd Content (ppm) | 100 | max | ICP |
| Density (g/mL) | Typ. 3.2 | ISO 8130-2 | |
| D50 (µm) | Typ. 7 | ISO 13320 | |
| Fineness Hegman | Typ. 5 | ISO 787-5 ISO 1524 | |
| Bonded water content (%) - 1 h at 600°C | Typ. 9.5 | Gravimetry | |
| RECOMMENDED SHELF LIFE : 3 YEARS |
FORMULATORS GUIDELINE
Excellent: Good: Possible: Not yet tested: __ Not recommended: nr
| Solvent Based | Performance |
|---|---|
| Short oil alkyd | |
| Medium/long oil alkyd | |
| High solid epoxy | |
| 2K epoxy | |
| Epoxy ester | |
| PU |
| Water Based | Performance |
|---|---|
| Water reducible alkyd | |
| Alkyd emulsion | |
| Epoxy ester | |
| 2K epoxy | |
| Acrylics and modified acrylics |
| Specialty coatings | Performance |
|---|---|
| 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%.
