1.SiO2: 35-60% 2.Size:325-5000mesh 3.Packing:25kg or 1 ton bags 4.USD 180-420/MT 5.Whiteness: 90-100%
Our talc powder is extracted from our mines, wich contains no asbestos or other harmful contaminants. Raw materials is sorted by hand, cleaned, dried, and sterilized with ultra-violet light.
Finished products are benign, odorless, extremely soft and has excellent dispersibility.
1.Chemical Properties:
Baby Powder Grade | |
Item | Test Result |
Property | Typical Value |
Whiteness | 90-100% |
Fineness | 325-5000mesh |
Moisture Content | 0.3-0.5% |
Specific gracity | 2.7 |
Loose Bulk Density | 0.32-0.4 |
Trapped Density | 0.6-0.68 |
Oil absorption | 25-35 |
Loss on Ignition | 11-27% |
PH | 7~9 |
SiO2 | 50%,55% and 60% |
MgO | 30-31% |
Al2O3 | 0.50% |
Fe2O3 | 0.3-0.5% |
CaO | 0.50% |
Asbestiform Bi-mineral | Nil |
2.Physical Properties:
Talc powder has properties of lubricity, viscous resistance, flowing boosting, fire resistance, acidoresistance, insulativity, high melting point, inactive der chemismus, good covering power, soft, good shining, good adsorptivity. It can be used in industries of food, rubber, painting, ceramics, cosmetic, pharmaceutical, paper-making, etc.
3.Chemnical properites of all series quality:
Sio2≥ | 61% | 61% | 61% | 61% | 61% |
Mgo≥ | 30% | 30% | 30% | 30% | 30% |
Cao≤ | 0.5% | 0.5% | 0.5% | 0.5% | 0.5% |
Fe2o3≤ | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% |
Al2o3≤ | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% |
Whiteness≥ | 90-98 | 90-98 | 80-98 | 80-98 | 80-98 |
L.O.I≤ | 6.5% | 6.5% | 7.0% | 6.5% | 6.5% |
PH | 7-9 | 7-9 | 7-9 | 7-9 | 7-9 |
Fe2O3 | 0.05-0.1 | 0.05-0.1 | 0.05-0.1 | 0.05-0.1 | 0.05-0.1 |
Asbestos | free | free | free | free | free |
Moisture | 0.3-0.5% | 0.3-0.5% | 0.3-0.5% | 0.3-0.5% | 0.3-0.5% |
Alibaba Certificate:
My tel: 86 13722996216
Hydrous magnesium silicate powder
