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Product Details:
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Material: | 100% Wollastonite | Color: | White |
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PH: | 9.9 | Gravity: | 2.79 |
Melting Point: | 1540 | Coefficient Of Expansion: | 6.5x10-6 |
High Light: | sepiolite mineral,silicate minerals |
use for brake pad ,white color ,wollastonite together with sepiolite fiber,
1:Introduction of wollastonite
wollastonite is white color nonmetal material, it is rich in si and ca, it is a good material in buliding material , it can stead of asbestons, and has many usages.
2:physical properties:
Morphology - Fiber/Acicular
Appearance - White
Whiteness % 70
Refractive - 1.67
Gravity - 2.79
Bulk Density(loose) g/ml 0.41
Minus 80 U.S. Mesh Screen % 98.5
Hardness(Moh’s Scale) - 4.5-5.0
Solubility in water g/100ml 0.0095
Melting point ℃ 1540
Coefficient of expansion - 6.5x10-6
3:Fiber characteristics
D10 Laser-diffraction particle Size um 53.5
D50 Laser-diffraction Particle Size um 159.6
D90 Laser-diffraction Particle Size um 51.5
Average Fiber Length um 825.0
Average Fiber Diameter um 51.5
Average Aspect Ration(L/D) um 30:1
4:Chemical properties
SiO2 % 49.86
CaO % 47.65
Fe2O3 % 0.98
Al2O3 % 0.83
TiO2 % 0.005
MgO % 0.16
MnO % 0.37
H2O % 0.05
L.O.I % 2.0
PH Value(10% slurry ) - 9.9
5:usage of wollastonite
it is a very good material together with sepiolite fiber use for brake pad.
Contact Person: Sales Manager