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type of product:
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Talc, talcum line CM
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TALC, TALCUM LINE CM
TYPES CM2P,CM3
| 1. Description |
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| Standard technical types
with middle whiteness and fine milling. |
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2. Mineralogical composition |
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| Talc, chlorite |
% |
85 |
| Dolomite,
magnesite |
% |
15 |
| Asbestos |
% |
0 |
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3. Physical properties |
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| Whiteness |
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CM2P |
CM3 |
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CIE L |
89 |
88 |
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a* |
-0,9 |
-1,1 |
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b* |
0,65 |
0,8 |
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Y
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75 |
72 |
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| Residue on sieve |
20 µm |
30
µm |
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% max
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1 |
1 |
| Particle size Sedigraph
5100 |
D(50)
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3,4 µm
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7,3
µm |
| Oil consumption |
g/100g max
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50
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38 |
| Loose weight |
g/dm3
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340
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450 |
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pH |
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9 |
| Moisture |
% max |
0,4 |
| Density |
g/cm3 |
2,8 |
| Hardness talc |
Mohs |
1 |
| Hardness dolomite |
Mohs |
3 |
| Ignition loss /1100 °C/ |
% |
13 |
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4. Chemical composition |
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Fe2O3+FeO |
% |
4 |
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MgO |
% |
30 |
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CaO |
% |
4 |
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SiO2 |
% |
46 |
| Al2O3 |
%
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3
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5. Packing
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CM3 paper bags 25 kg, on 1250 kg pallets
CM2P paper bags 15 kg, on 1100 kg pallets
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TALCS |
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There
are many types of talcs. The name "talc" does not describes the
diversity of this mineral in nature. On one hand the talc is a pure
magnesium silicate and on the other hand it is a common name for rocks
containing more minerals. Pure talc has the following chemical
formula: Mg3[Si4O10(OH)2]. Theoretical chemical analysis has the
following values:
SiO2 63,5%
MgO 31,7%
H2O 4,8%
more on
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WHITENESS TO 93
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