Wollastonite
Mineral: Wollastonite
Wollastonite (silicate, chemical formula CaSiO3) exists in an acicular and non-acicular form:
Wollastonite can be characterised by:
- Shape (non-acicular/ acicular)
- Medium Mohs hardness of 5
- Alkaline nature
Basic properties
| Property | Casiflux F/ FG | Casiflux G | Unit |
| Shape | fibrous | blocky | – |
| Moisture | < 0.2 | < 0.2 | [%] |
| pH | 10 | 10 | [-] |
| Hardness (Mohs) | 5 | 5 | [-] |
| Refractive index | 1.63 | 1.63 | [-] |
| L.O.I. | 3.5 | 3.5 | [%] |
| Density | 2.9 | 2.9 | [kg/ dm3] |
Products:
| Product | Grade | D50
[µm] |
OA
[g/ 100 g] |
L* |
| Casiflux | FG20 | 18 | 54 | 94 |
| F75 | 28 | 59 | 90 | |
| G20 | 10.5 | 30 | 96 | |
| G38 | 18 | 28 | 96 |
Production Location: Geertruidenberg (NL)
Application: Due to its structure, the use of Wollastonite will improve the mechanical properties of the sealant and adhesive
Functionalities: Mechanical reinforcement
