Competitive zinc powder price with quality guaranteed
Physical Properties of Zinc Powder:
light grey, spherical powder.
Relative density: 7.133 (25 °C)
Melting point: 419.58 °C
Boiling point: 907 °C
Chemical Properties of Zinc Powder:
(1) Zinc powder is insoluble in water but soluble in acid, alkali and ammonia water.
(2) Zinc powder has strong performance of reducing action and it can releases hydrogen in the reaction with acid or alkali.
(3) Zinc powder is easy to form lumps due to dampness. It is easy to produce white basic carbonate on its surface in the wet air, but stable in the dry air.
(4) Zinc powder bruning issue of blue green flame, accompanied by combustion of zinc oxide.
Usage of Zinc Powder:
Zinc powder is the main raw materials of paint, coating and chemical products such as sodium zincate, zinc oxide as well as the reducing agent in organic synthesis. Besides, zinc powder is widely used in metallurgical industry (electrolytic zinc), battery industry as well as pesticide, feed, dyestuff and manufacturing industry.
Specification :
Grade | chemical composition % |
total Zn | metal Zn | Pb | Fe | Cd | impurity ≤ |
class A | 99.5 | 98 | ≤ 0.005 | ≤ 0.003 | ≤ 0.003 | 0.2 |
class B | 99.3 | 97.5 | ≤ 0.05 | ≤ 0.03 | ≤ 0.03 | 0.2 |
class C | 99 | 97 | ≤ 0.02 | ≤ 0.2 | ≤ 0.2 | 0.2 |
class D | 98 | 96 | ≤ 0.01 | ≤ 0.1 | ≤ 0.1 | 0.2 |
S ≤0.5 |
Item | 200 mesh | 325 mesh | 400 mesh | 500 mesh | 800 mesh | 1200 mesh | 1500 mesh | 2000 mesh |
average (≤UM) | 13 | 9 | 8 | 7 | 5 | 4 | 3 | 2 |
maximum ( ≤UM) | 74 | 43 | 35 | 28 | 18 | 12 | 8 | 6.5 |
Others ( ≤%) | 0.2 | 0.2 | 0.1 | 0.1 | — | — | — | — |
