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● 理化性质 硅灰石的化学组成为 CaSiO3 ，是一种钙质偏硅酸盐矿物针状粉末。其晶体系三斜晶型的细板状结晶，集合体为放射状或纤维状。色白，带浅灰色色调，有玻璃光泽。比重2.9，莫氏硬度4.5，折光指数1.63-1.67。一般情况下有较好的耐酸、碱及化学腐蚀性。
● 用途 广泛应用于油漆、油墨、涂料、塑料、汽车、橡胶、陶瓷、玻璃、电子、化妆品等领域。
● 包装 25kg/包，采用编织袋内衬塑料袋包装，也可根据客户要求包装。
● Properties: Wollastonite’s chemical composition is CaSiO3. It is a white, needle-like mineral with a density of 2.6,Mohs hardness of 4.5 and a refractive index of 1.63 to 1.67. It is triclinic and undergoes cleavage along all three faces and usually it has fairly good acid resistance, alkali resistance and chemical corrosion.
● Application may be widely used in electronic, plastics, rubber, paintings, coatings, dye, ceramic, glass, cosmetic, medicament and other industries.
● Package In plastics bags with outer plastic woven bags of 25 kilogram net each or pack in according to the client’s demand.
● 技术指标Technical Data
| 型 号Type |
1250 |
800 |
325 |
| 二氧化硅(SiO2), % |
49.0±2.0 |
49.0±2.0 |
49.0±2.0 |
| 氧化钙(CaO), % |
46.0±2.0 |
46.0±2.0 |
46.0±2.0 |
| 三氧化二铁(Fe2O3), % |
≤0.2 |
≤0.2 |
≤0.2 |
| 水分(Moisture), % |
≤0.5 |
≤0.5 |
≤0.5 |
| 白度(Whiteness), % |
≥90.0 |
≥90.0 |
≥90.0 |
| 筛余物（45μm），% |
≤0.5 |
≤0.5 |
≤0.5 |
| 烧失量(LOI), % |
≤2.0 |
≤2.0 |
≤2.0 |
| 水悬浮液PH值(PH Value) |
7-9 |
7-9 |
7-9 |
吸油值
(Oil Absorption), g/100g |
25-30 |
20-30 |
18-30 |
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