主成分含量（%）：
CaSiO3制作方法：
干磨密度（kg/m³）：
6.5 x 10-6 mm/(mm.℃)纯度：
99%莫氏硬度：
4.5白度：
88目数：
400-3000目品级：
一级
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超细硅灰石（XWS系列） Superfine Wollastonite (XWS Series)
硅灰石属于偏硅酸盐类，通常呈束状、放射状或纤维状集合体，是一种无毒无害的产品，超细硅灰石粉具有遮盖力好、耐候性好，可替代钛白粉、锌钛白、立德粉、沉淀硫酸钡等颜料，用在建筑涂料、工业涂料等高档涂料中，具有**的抗腐蚀性和耐用性。
Wollastonite is a metasilicate mineral of unique acicular structure with good physical and chemical properties, which can replace titanium dioxide, zinc titanium dioxide, lithopone, precipitated barium sulfate and other pigments. It has good hiding rate, good weather and corrosion resistance when used in paint and coatings.
can be used to enhance the adhesion of coating, which can make the coating has better mechanical strength, persistence, and weather resistance to prevent the cracking.
超细硅灰石化学指标 Chemical Composition of Superfine Wollastonite
成分Component | SiO2 | CaO | MgO | Al2O3 | Fe2O3 | LOI |
含量 Content (%) | 49-51 | 41-43 | ≤3 | ≤1 | ≤0.2 | ≤4 |
超细硅灰石物理指标 Physical Properties of Superfine Wollastonite
规格Specification | D50粒径 Particle Size D50 | 白度 Brightness | 长径比 Aspect Ratio | 松装密度 Loose Bulk Density |
XWS325 | ≤20μm | 90%±2% | 4:1-5:1 | ≤0.75g/cm3 |
XWS800 | ≤12μm | 90%±2% | 4:1-5:1 | ≤0.70g/cm3 |
XWS1250 | ≤8μm | 90%±2% | 2:1-4:1 | ≤0.60g/cm3 |
XWS2000 | ≤5μm | 90%±2% | 1:1-3:1 | ≤0.55g/cm3 |
XWS3000 | ≤4μm | 90%±2% | 1:1-3:1 | ≤0.55g/cm3 |
改性硅灰石系列 Modified Wollastonite Series
在XWA和XWS产品的基础上，经过表面处理，提高产品与树脂的结合能力，同滑石粉碳酸钙等其他矿物相比拥有更好的强度与刚度，可推动下游企业的制品更轻更薄，满足汽车船舶航空等领域轻量化的需求。
Surface modification of BA & AT series, has better dispersivity and processing fluidity, stronger bonding force with surface of organic polymer substance, improved mechanical property and ageing resistance when applied in composite materials. Wollastonite has better strength and stiffness than Calcium carbonate and Tale. It helps the automotive industry to lightweight.
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