主成分含量（%）：
CaSiO3制作方法：
干磨密度（kg/m3）：
6.5 x 10-6 mm/(mm.℃)純度：
99%莫氏硬度：
4.5白度：
88目數(shù)：
400-3000目品級：
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超細硅灰石（XWS系列） Superfine Wollastonite (XWS Series)
硅灰石屬于偏硅酸鹽類，通常呈束狀、放射狀或纖維狀集合體，是一種無毒無害的產品，超細硅灰石粉具有遮蓋力好、耐候性好，可替代鈦白粉、鋅鈦白、立德粉、沉淀硫酸鋇等顏料，用在建筑涂料、工業(yè)涂料等高檔涂料中，具有**的抗腐蝕性和耐用性。
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.
超細硅灰石化學指標 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 |
超細硅灰石物理指標 Physical Properties of Superfine Wollastonite
規(guī)格Specification | D50粒徑 Particle Size D50 | 白度 Brightness | 長徑比 Aspect Ratio | 松裝密度 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產品的基礎上，經過表面處理，提高產品與樹脂的結合能力，同滑石粉碳酸鈣等其他礦物相比擁有更好的強度與剛度，可推動下游企業(yè)的制品更輕更薄，滿足汽車船舶航空等領域輕量化的需求。
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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