Talc powder is a layered silicate mineral with water content, which has good chemical stability, low hardness, oleophilic and hydrophobic properties, and is a rare functional filler.
CAS No. :
14807-96-6EINECS :
238-877-9Package :
25KG/BAGBrand :
TOPINCHEM®Origin :
CHINAFormula :
3MgO.4O2Si.H2OMinimum Order :
1000KGItem :
TalcWholesale Manufacturer Talc CAS 14807-96-6
Description
Talc powder mainly contains magnesium silicate, of which MgO3 is 1.7%, silicon oxide is 63.5%, and water is 4.8%. In addition, it also contains impurities such as aluminum oxide. Rich in color, including white, grayish green, milky white, light red, light blue, light gray, and some with pearl or fat luster. In plastic applications, the higher the whiteness, the more popular it is.
Specification
| Apprance | White powder 200mesh-6000mesh |
| SiO2 ≥ w% | 61 |
| MgO ≥ w% | 30 |
| Whiteness ≥ | 85-96 |
| acid non-soluble substance w% | ≤1.5 |
| loss on ignition | ≤6.0 |
| hydrotrope w% | 0.1 |
| Fineness(45um) | 98 |
| AS | ≤3.0 |
| Pb | ≤5.0 |
| Dry ignition | ≤0.5 |
Application
Talc powder is a modified natural silicate that undergoes special surface treatment, making it more easily dispersed in rubber. It has special functions for strengthening physical properties, especially compression and tactile sensation, and is used in rubber foam products. EPDM, PCV, and wire and cable materials have particularly obvious effects. It can be widely used in many industrial sectors such as ceramics, paint, felt, papermaking, textiles, rubber, coatings, daily chemical industry, etc. It can be used as a filler and is also the main raw material for talcum powder and prickly heat powder.
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