Wollastonite
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 |
The physical properties of wollastonite
Iterm | Result |
Chemical formula | CaSiO3 |
Type | Acicular wollastonite/wollastonite powder |
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 |
Application of Wollastonite
Application | Main Use |
Ceramics | 1. glazed brick 2. sanitary porcelain 3. household porcelain 4. artistic porcelain 5. electrical porcelain 6. wireless electric porcelain with high frequency and low loss 7. chemical stoneware 8. glaze 9. pigment |
Chemicals | 1. coating 2. paint 3. rubber 4. plastic product 5. resin filling |
Metallurgy | 1. covering slag of casting steel 2. heat insulating material |
Construction | 1. accessory building materials or white cement replacing asbestos 2. raw materials of microcrystalline glass with acid resistance and alkali resistance 3. fluxing agent of glass |
Electronics | 1. electronic insulation material 2. coating material of fluorescent lamp, television tube, X-ray fluorescent screen |
Machinery | 1. electric welding material 2. abrasive material of grinding apparatus 3. casting mould |
Paper-making | Filling for replacing partial paper pulp |
Autocar | Filling of clutch, brake, handle of car door, bumper and other engineering plastics products |
Agriculture | 1. modifying agent of soil 2. plant fertilizer |
Other | 1. filter medium 2. refractory material of glass melting furnace |
FAQ
MOQ | 20MT |
Packaging | Pp bag,25kg/bag, jumbo bag,1MT/bag |
Payment term | T/T,L/C |
Delivery time | Within 20 days |