

Mineralogy: | acicular |
Chem. Formula: | CaSiO3 |
Color: | white |
Density: | 2,8 g/cm3 |
Hardness: | 5 Mohs |

SEM-micrograph
LAR-grades | Wollastonite | Wollastonite | Wollastonite |
LAR 230# | LAR 325# | LAR 400# | |
Sieve residue 63 µm Sieve (EN ISO 4610) | 0,5 – 15 % | ||
Sieve residue 45 µm Sieve (EN ISO 4610) | 0,5 – 5 % | ||
Sieve residue 38 µm Sieve (EN ISO 4610) | 0,5 – 5 % |
LAR-grades | Wollastonite | Wollastonite |
Micro 8H | Micro 12H | |
d50 | 9 µm | 11 µm |
Aspect ratio | 7:1 | 9:1 |
HAR-grades | Wollastonite | Wollastonite | Wollastonite | Wollastonite |
Micro 12 | Micro 8 | Submicro 4-15 | Submicro 2-10 | |
d50 | 12 µm | 8 µm | 4 µm | 2,5 µm |
Aspect ratio | 15:1 | 20:1 | 12:1 | 7:1 |
HAR-grades | Wollastonite
HAR 60 |
Type | high acicular
Wollastonite |
d50 | 35 µm |
Sieve residue (EN ISO 4610) > 125 µm | 1.9 % |
Sieve residue (EN ISO 4610) > 75 µm | 33.3 % |
Sieve residue (EN ISO 4610) > 45 µm | 96.6 % |
Aspect ratio | 14:1 |
Product Variations
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