Super White Acicular Wollastonite Powder for Plastic
Specifications
1.needle wollastonite powder2.High whiteness
3.Easy disperse
4.Low LOI
1.The chemical Properties of wollastonite
| Componet | SiO2 |
CaO | Al2O3 |
Fe2O3 | TiO2 | MgO | L.O.I |
| Content(%) | 49-53 | 43-45 | 0.26max | 0.35max | 0.02max | 1.3max | 1.5-3 |
2.The physical properties of wollastonite
| Iterm | Result |
Granularity(mesh) |
80-2000 |
Ratio of length to diameter(L/D) |
8-25 8-25 |
|
absorption oil value (g/100g) |
20-26 |
Whiteness(%) |
76-89 |
Refraction(%) |
1.63 |
Density(g/cm3) |
2.95 |
Expantion coefficient(mm//mm℃) |
6.5×10-6 |
Melting point( ℃ ) |
1450 |
Hardness(Moh's) |
4.5-5 |
Sedimentation value(ml/200m) |
40-90 |
3.Main applications of wollastonite
| Metallurgy | Friction material |
| Welding | Construction |
| Ceramics | Rubber |
| Paints | Plastic |
| Coating | Electronics |

Loading quantity:20-25MT/20GP
Packing materail:Pp bag,25kg/bag,50kg/bag,1MT/bag.(with or without pallet)
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