Wollastonite
Mineral: Wollastonite
Wollastonite (calcium 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 |
Production location: Geertruidenberg (NL)
Application: Due to its structure, the use of Wollastonite will have an effect on the rheology of the resin and on the stiffness of material (impact and flexural strength) used in PA and PP.
Functionalities: Performance
