ceramic filler wollastonite 325 mesh fine powder from China
US $150.00-$200.00
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Chemical index | ||||||||||||||||||
SiO2 | CaO | Al2O3 | Fe2O3 | TiO2 | MgO | S | P | L.O.I | PH | |||||||||
48-53 | 43-45 | 0.15-0.3 | 0.2-0.3 | 0.02 | 0.5-1.2 | 0.02 | 0.007 | 1-3 | 9 |
Physical index | ||||||||
Item | Value | |||||||
Particle Size (mesh) | 80- 6000 | |||||||
Aspect Ratio(L:D) | 3:1-25:1 | |||||||
Sedimentation Value (ml/200mg) | 40-150 | |||||||
Oil Absorption (g/100g) | 20-55 | |||||||
Whiteness(%) | 75- 92 | |||||||
Refractive Index(%) | 1.63 | |||||||
Density (g/cm2) | 2.95 | |||||||
Coefficient of Expansion (mm/mm℃) | 6.5×106 | |||||||
Melting Point (℃) | 1450 | |||||||
Hardness (Mohs) | 4.5-5.0 |