| Application: | Paper Industry, Paint, Plastic & Rubber, Ceramic, Cement |
|---|---|
| Hardness: | 4.5-5.0 |
| Sio2 Content (%): | 48%-53% |
| Fe2o3 Content (%): | 0.2-0.3% |
| Al2O3 Content (%): | 0.15-0.30% |
| MGO Content (%): | 0.5-1.2% |
| Customization: |
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Wollastonite belongs to a kind of chain like silicate and a fibrous and needle like shape. As the crystal structure of its special crystal determines its properties of non-toxic, acid &akai resistant, low hygroscopicity &oil absorption, fine insulation, high whiteness, great thermal & dimensional stability, xcellent mechanical &electrical performance. Wollastonite is widely used in ceramics, chemical industry, metallurgy, paper making, plastics, coatings and other fields.
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Item
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Value
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Particle Size(mesh)
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80-3000
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Aspect Ratio(LD)
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3:1-25:1
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Oil Absorption(g/100g)
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20-55
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Whiteness(%)
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75-92
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Refractive Index(%)
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1.63
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Density (g/cm3)
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2.95
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Coefficient of Expansion( mm/mnºC)
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6.5x106
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Melting Point(ºC)
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1450
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