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Wollastonite lump
Other name: Calcium metasilicate
MF: CaSiO3
MW: 116
Appearance: White Mineral Rock
Wollastonite is a kind of inorganic acicular mineral, the main component is Ca3Si3O9. It is characterized by non-toxicity, chemical corrosion resistance, good thermal stability and dimensional stability, glass and pearl luster, low water absorption and oil absorption value, excellent mechanical and electrical properties and a certain reinforcement effect.
Application:
It can be used to produce Wollastonite powder.
Specificaiton
| Item | Standard |
| SiO2 | 50% min |
| CaO | 43% min |
| Al2O3 | 0.7% max |
| Fe2O3 | 0.2% max |
| P | 0.01% max |
| S | 0.01% max |
| PH | 7-9 |
| Loss on ignition | 3.0 % max |
| whiteness | 85-92 |