TALC

Chemistry: Mg3Si4O10(OH)2, Magnesium Silicate Hydroxide
Class: Silicates
Subclass: phyllosilicates
Group: Clays and also The Montmorillonite/Smectite Group.
Uses: an ornamental and heat, acid and electrically-resistant stone (soapstone) used as counter tops, electrical switchboards, carvings, etc, used as an ingredient in paints, rubber, roofing materials, ceramics and insecticides. Most commonly known as the primary ingredient in talcum powder.

PHYSICAL CHARACTERISTICS:
 
Color is green, gray and white to almost silver.
Luster is dull to pearly or greasy.
Transparency crystals are translucent and masses are opaque.
Crystal System is monoclinic; 2/m.
Crystal Habits: never in large individual crystals, but if found are flattened tabular crystals with a hexagonal cross-section, usually talc is found in compact or lamellar masses.
Cleavage is perfect in one direction, basal.
Fracture is uneven to lamellar.
Hardness is 1 (can leave mark on paper)
Specific Gravity is 2.7 - 2.8 (average)
Streak is white.
Other Characteristics: cleavage flakes are slightly flexible but not elastic and talc has a soapy feel to the touch.
Associated Minerals include serpentine, dolomite, magnesite, quartz, pyroxenes, olivine, biotite and amphiboles.

paper-making grade talc powder

Packaging & Delivery

Specifications

paper-making grade talc powder 
Whiteness: 75-95% 
Pakcage:25kg, 1mt ,etc 
Own talc mine

paper-making grade talc powder

Besides above, we can also produce as per your specific need.

Rubber-grade talc powder

Talc for rubber progress:1500 mesh talc powder. 
SiO2 :58%, MgO :31%, and Whiteness: 93% 
stable quality and on time delivery

One of our main product is rubber grade talc powder, our annual capacity is 50,000tons for this kind of products.

rubber grade talc powder:

1.white powder.

2.not dissoluble in water and dissolved in acid.

3.slippery, chemistry, stability and good insulating.

4.filling for cables and rubber products.

The specification as following: