Finntalc M20SL by Elementis is floated, medium sized, laminar talc (Mg-silicate). It shows high brightness. It is low in soluble iron. Finntalc M20SL is recommended for polyester putties.
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| CAS Number | 14807-96-6 |
| Chemical Composition: | Talc (Mg-silicate) |
| Appearance | Solid |
Compliance
| Certifications & Compliance | EINECS-No. 238-877-9 |
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Availability
Product Status:COMMERCIAL
Finntalc M20SL properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Abrasion | 5 mg | Einlehner AT 1000 | |
| Aluminium Oxide Content, XRF | 0.2 % | ||
| Color L* (CIE standard) | 95 | DIN 6174 | |
| Decomposition Temperature | > 1000 °C | ||
| Density, Bulk | 0.35 g/cm3 | DIN 53468 | |
| Density, Tapped | 0.59 g/cm3 | ISO 787-11 | |
| Fe acid solubility @100°C, 1mol/L HCl | 0.1 % | ||
| Fineness of Grind, ISO 1524 | 50 µm | ||
| Hardness, Mohs scale | 1 | ||
| Hegman Fineness, ISO 1524 | 50 | ||
| Iron Oxide Total, XRF | 2 % | ||
| Iso-Brightness, R457 | 86 % | ||
| Loss on ignition @ 800°C, DIN 51081/1000°C | 5.4 % | ||
| Magnesium Oxide Content, XRF | 31 % | ||
| Melting Point | > 1300 °C | ||
| Moisture Content | 0.07 % | ISO 782-2 | |
| Oil Absorption Number (OAN) | 39 g/100g | ISO 787 | |
| Particle Size | 14 % | < 2 µm | |
| Particle Size Distribution, D98 | 19 µm | Sedigraph 51XX, Top cut | ISO 13317 |
| Particle Size Distribution, Median | 6 µm | ||
| Sieve Residue @ 45 µm, ISO 787/7 | 0.1 % | ||
| Silicon Dioxide Content, XRF | 61 % | ||
| Specific Gravity | 2.75 g/cm3 | ||
| Surface Area, BET | 5 m2/g | ISO 4652 | |
| Talc (Mg-Silicate) | 98 % | ||
| Whiteness | 87 % | DIN 53163 | |
| Yellowness Index, DIN 6167 | 1.5 % | ||
| pH | 9.1 | ISO 787-9 | |
| Solubility Properties | Element | Condition | Method |
|---|---|---|---|
| Soluble in | Hydrofluoric acid |