Talc Powder Used for Plastic
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high-class product
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first-rate product
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qualified product
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Whiteness＞
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96
|
95
|
88
|
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Fineness 45μm, Passing rate ＞
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99.9%
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99.5%
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98.5%
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Cumulative Content of Particle Size Distribution
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＜20μm 80%
＜10μm 50%
＜5 μm 30%
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72%
36%
16%
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60%
26%
12%
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SiO2 ＞
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61.0%
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58.0%
|
55.0%
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MgO ＞
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30.0%
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31.0%
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31.0%
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Cao ＜
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0.50%
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1.00%
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1.50%
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Fe2O3 ＜
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0.30%
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0.30%
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0.30%
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Al2O3 ＜
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0.50%
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0.80%
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1.00%
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(1000℃)LOI ＜
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6.00%
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8.00%
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10.00%
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Buck Density (g/cm2) ＜
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0.45
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0.55
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0.65
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Tightness (g/cm2) ＜
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0.90
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0.95
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1.00
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Moisture ＜
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0.1%-0.2%
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