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Talc Powder

سعر فوب

- Minimum Order

بلد:

India

نموذج رقم:

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الاتصال الآن

Anand Talc

India

عضو مجاني

الشخص الذي يمكن الاتصال به Abhinanda

Udaipur, Rajasthan

الاتصال الآن

Tactile properties: It is smooth, slippery and soapy.
Visual properties:
- Color: It is in silvery, green, grey, white color.
- Lustre: It is dull, pearly and greasy.
- Streak: It is White.
- Diaphaneity: It is translucent.
Structural properties:
- Hardness: 1 mohs (Softest mineral, can easily be powdered).
- Specific gravity: 2.*8 to 2.*3.
Affinity to water: Talc is a hydrophobic in nature. However, depending upon surrounding conditions, talc can either adsorb water on its surface forming a film or not get adsorbed and form droplets on the surface. Rarely, it does absorb water between its layers. It is insoluble in water. Even in powder form, it does not readily disperse in water.
Affinity to oil: Talc can absorb oil between its molecular layers. However, the oil absorption capacity can vary.
Heat properties:
- It does not conduct heat.
- It is resistant to structural changes due to heat.
- It has high specific heat capacity.
- It can withstand temperatures upto ***0ºC.
- Above **0°C, talc progressively loses its hydroxyl groups and above ***0°C. It re-crystallizes into different forms of enstatite (anhydrous magnesium silicate)
- Talcs melting point is at ***0°C.
Electric properties: It does not conduct electricity.
Combustion properties: It is non explosive and non inflammable.
Chemical properties:
- pH: **9.5
- It does not dissolve in mild acids or alkalies.
Other properties: It is Organophillic.