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Wollastonite buy in Beijing
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Wollastonite

Wollastonite

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China, Beijing
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Description

Packing: 1100Kg/big bag

Sample Name Wollastonite
Sample Source China
Physical Specification & Chemical Specification
Item Unit Value Item Content (%)
Whiteness 90min L. O. I 1-2.5%max
Mohs Hardness 4.5 A. I. R.
pH Value 7--9 Surface Water ≤ 0.3%
Particle Size Distribution D95 150
SiO2 48-52% CaO 44-47%
Sedimentation 30 Minutes Fe2O3 1.0%max
Specific gravity 2.90% S 0.04%max
Expansion Coefficient mm/mm/c P 0.04%max
Oil absorb rate AL2O3 1.5%max
Refractive Index 1.63 MGO 1.5%max
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