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● 理化性质
化学组成为Mg3(Si4O10)(OH)2，是一种白色、有珍珠光泽的片状或鳞片状粉末。结构上具有层状结构，有柔软滑腻感，硬度为莫氏1.0。电绝缘性高、耐热性好、与强酸和强碱一般都不起作用。
● 用途 广泛用于塑料行业、涂料行业、陶瓷行业。
● 包装 采用编织袋内衬塑料袋包装，也可根据客户要求包装。
● Properties
Talcum has the chemical composition of Mg3(Si4O10)(OH)2. It is flake powder of various colors such as white, ivory-white, or French gray with the pearl-like or fatty-like luster. Talcum has a trioctahedral structure, thus it is very soft and has a soapy feel. Talcum has a hardness of 1.0. It has good electrical insulation, heat resistance, and does not act with acid and alkali.
● Application This product is mainly used in Plastics , Paints and Ceramics, etc.
● Package
In plastics bags with outer plastic woven bags or pack in according to the client’s demand.
● 技术指标Technical Data
| 型号Type |
5000目 |
4000目 |
3000目 |
2000目 |
1250目 |
800目 |
400目 |
325目 |
| 粒度(Particle size),D97, μm |
≤2.5 |
≤3.8 |
≤5.0 |
≤6.5 |
≤10.5 |
≤18.0 |
≤35.0 |
≤43.0 |
| 二氧化硅(SiO2), % |
60.0±2.0 |
60.0±2.0 |
60.0±2.0 |
60.0±2.0 |
58.0±2.0 |
55.0±2.0 |
55.0±2.0 |
55.0±2.0 |
| 白度(Whiteness), % |
92.0±1.0 |
92.0±2.0 |
92.0±2.0 |
92.0±2.0 |
91.0±1.0 |
90.0±2.0 |
89.0±2.0 |
85.0±2.0 |
| 烧失量(Loss on Ignition), % |
≤10.0 |
≤10.0 |
≤10.0 |
≤10.0 |
≤12.0 |
≤15.0 |
≤15.0 |
≤20.0 |
| 氧化镁(MgO), % |
30.0±2.0 |
30.0±2.0 |
28.0±2.0 |
28.0±2.0 |
28.0±2.0 |
26.0±2.0 |
26.0±2.0 |
26.0±2.0 |
| 氧化钙(CaO), % |
≤0.8 |
≤0.8 |
≤0.8 |
≤0.8 |
≤0.8 |
≤0.8 |
≤0.8 |
≤1.2 |
| 水分(Moisture), % |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
| 水悬浮液PH值(PH Value) |
8.0-9.0 |
8.0-9.0 |
8.0-9.0 |
8.0-9.0 |
8.0-9.0 |
8.0-9.0 |
8.0-9.0 |
8.0-9.0 |
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