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5000 mesh talcum powder:
Packing:composite paper bag
1.introduction
Talc is a kind of of magnesite silicate minerals, mainly containing magnesium oxide and silicon dioxide.
The color of this product is white, gray. Aggregate usually is in coarse or fine squamose from and dense lump form.
Density as follows: 2.58 to 2.83 hardness: 1.0 with pearls or oily luster, satiny touching, translucent or transparent, heated to 600 ℃ water begin to evaporate and discharge completely when 880 ℃ to 970 ℃ .
And it become enstatite.
2.technical data sheet
Specifications | Data |
SiO2 % ≥ | 55 |
MgO% ≥ | 32 |
CaO% ≤ | 0.25 |
Fe2O3% ≤ | 0.06 |
Al2O3 %≤ | 1.1 |
Oil Absorption | 28 |
Appearance | White powder |
Moisture% ≤ | 0.3 |
whiteness% ≥ | 93 |
3.Feature
Talcum powder has some excellent physical and chemical properties,such as the lubricity, fire resistance, acid resistance, insulation, high melting point, good covering power and soft, good luster, strong adsorption force and etc.
