Talc is a naturally occurring mineral composed mainly of magnesium, silicon, and oxygen. It is known for its softness, greasy feel, and its ability to absorb moisture and oils. Talc is the softest mineral on the Mohs hardness scale, rating a 1, and can be easily scratched with a fingernail.
Talc is used in Cosmetics and Personal Care Products and industrial Applications and acts as alubricant in Ceramics, Paint, Paper, Rubber and Plastics. Talc is used in the Food Industry and is also used as filler in pharmaceutical Industries. Due to the softness in nature, Talc is usedin carving and making sculptures.
PHYSICAL PROPERTIES | CHEMICAL ANALYSIS | ||
Name of Test | Result | Compound | Result in % |
Shrinkage (%) | 1.88 | SiO2 (%) | 62.71 |
Water Absorption (%) | 18.77 | AI2O3 (%) | 1.05 |
L - Value | 89.66 | Fe2O3 (%) | 1.03 |
A - Value | 2.98 | TiO2 (%) | Traces |
B - Value | 8.12 | CaO(%) | 0.56 |
Whiteness | 75.77 | MgO (%) | 29.38 |
Temperature (°C) | 1192 / 1208 | K2O (%) | 0.09 |
Cycle (Mins) | 43 | Na2O (%) | 0.17 |
Loss on Ignition (%) | 4.68 |