zinc carbonate basic
1. Physical Properties
Alkaline zinc carbonate (zinc carbonate) is widely used in the industries of rubber, plastics, chemicals and medicine as foaming agents of rubber and plastics, colorants, sulfurizing agent and optic stabilizer of transparent rubber and plastic products.
2.Usage & Apllication
1). Basic zinc carbonate is mainly used as vulcanization active agents, reinforcing agents and coloring agents for transparent rubber including the transparent rubber-soled rubber and latex products.
2). Also used extensively for the production of rubber adhesive.
3). The product also can be used as a light astringent.
4). For the preparation of calamine lotion.
5). Used for desulfurization catalyst in oil well drilling.
3.Specification
Items | Indicators | ||
Excellent product | First-class product | Conforming product | |
Main content (ZnO dry basis)% Min | 57.5 | 57.0 | 56.5 |
Moisture Max | 2.5 | 3.5 | 5.0 |
Heavy metal (Pb) content % Max | 0.04 | 0.05 | 0.05 |
Cadmium (Cd) Max | 0.10 | — | — |
Fineness (residue on 75µm test sieve) Min | 95.0 | 94.0 | 93.0 |
Ignition loss % Max | 25.0~28.0 | 25.0~30.0 | 25.0~32.0 |
zinc carbonate
zinc carbonate basic