UltraPure® grades meet ASTM D520 Type III Specification for Zinc Dust Pigment
- Varied physical properties to those shown above are available.
- Lime (CaO) and other blending requirements are available upon request.
Note: Purity Zinc Metals only uses Special High Grade Zinc, which meets the SHG ASTM B6-98 specification, to produce the UltraPure® grades of zinc dust. UltraPure® grades of zinc dust are manufactured under license from Purity Zinc Metals™ a Division of North American Zinc Company
Unit of Measure
Specifications
Total Zinc (% minimum) |
N/A 99 % |
| Metallic Zinc (% minimum)1 | N/A 97 % |
| Iron (% maximum)2 | N/A 0.002 % |
| Lead (% maximum)3 | N/A 0.002 % |
| Copper (% maximum)4 | N/A 0.001 % |
| Cadmium (% maximum)5 | N/A 0.0005 % |
Zinc Oxide |
N/A Bal. |
| Average Particle Size 6 | N/A 4.0-8.0 |
| Retained on 100 mesh screen7 | N/A Nil % |
Retained on 200 mesh screen |
N/A 0.2 % |
Retained on 325 mesh screen |
N/A 3.0 % |
Specific Gravity |
N/A 7.0-7.1 |
- 1 ASTM Test Method D521, Test Method for Chemical Analysis of Zinc Dust, Titration method.
- 2 ASTM Test Method E 536, Test Method for Chemical Analysis of Zinc Dust, AA Sectrophotometer.
- 3 ASTM Test Method E 536, Test Method for Chemical Analysis of Zinc Dust, AA Sectrophotometer.
- 4 ASTM Test Method E 536, Test Method for Chemical Analysis of Zinc Dust, AA Sectrophotometer.
- 5 ASTM Test Method E 536, Test Method for Chemical Analysis of Zinc Dust, AA Sectrophotometer.
- 6 ASTM Test Method B 330, Test Method for Fisher Number of Metal Powders & related compounds.
- 7 ASTM Test Method B 214, Test Method for Sieve Analysis of Metal Powders.
