French Chalk Powder Extrapure
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CAS :
14807-96-6
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REF :
25322
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| QUANTITY |
PRICE |
ENQUIRY |
|
500 gm |
Rs
140.00
|
|
- Type: Purified talc (magnesium silicate)
- CAS: 14807-96-6
- EC No.: 238-877-9
- Formula: Mg₃Si₄O₁₀(OH)₂
- Physical State: White fine powder
- Softness: 1 on Mohs scale
- Use: Lubricant, dusting powder, filler
- Magnesium Oxide (MgO): 30-33%
- Silica (SiO₂): 60-63%
- Loss on Ignition: 4-6%
- Appearance: White fine powder
- Particle Size: 90% < 45 μm
- Acid Soluble Matter: ≤ 2.0%
- Water Soluble Matter: ≤ 0.5%
- Heavy Metals (as Pb): ≤ 20 ppm
- Iron (Fe): ≤ 0.5%
- pH (10% slurry): 8.0-9.5
- Hazard: May cause respiratory irritation. Contains crystalline silica.
- Safety: Avoid dust formation. Wear dust mask when handling.
- Storage: Store in tightly closed container in dry place.