| Loi: | 2.43 |
|---|---|
| Cao: | 43.29 |
| Fe2o3: | 0.15 |
|
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It is a naturally occurring white and acicular mineral, with Mohs hardness of 4.5. In addition to Wollastonite's unique morphology, it is alkaline, inert, has low loss on ignition, low water solubility, low coefficient of linear thermal expansion, and a melting point of 1540°C.
It also improves tear strength, dielectric properties, and retains mechanical properties at elevated temperatures.
Wollastonite is widely used in the ceramic industry, accounting for about 50% of the total domestic use. In this industry, wollastonite is primarily utilized for producing various types of ceramics such as art porcelain, sanitary porcelain, glazed tiles, electric porcelain, daily-use porcelain, and chemical ceramics.
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