Talc
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Talc

Talc in paint and Coating is not used as a filler (to increase the volume) but as a functional component that introduces a number of properties. The surface of pure Talc is hydrophobic, and the particle form is laminar. Different Talc grades have a more or less pronounced laminar structure (macro or microcrystalline) and can contain other minerals. Talc in industrial Coatings has many benefits, which include corrosion protection, solvent reduction and adhesion. Talc is used in paint to improve its physical properties, which include wet scrub resistance, optical properties, weathering protection and more.

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Other Usages of Talc:

Talc basically has five characteristics that make it a valuable mineral for industrial and domestic applications.

  • Softness
  • Chemical inertness
  • Lamellarity
  • Whiteness
  • Affinity for Organic Chemicals

 

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In fact, Talc is found in everything from animal feed to tires, and has been for millennia. As long as 15,000 years ago, cave dwellers used Talc in their paints. For at least 5,000 years, it has been used in cosmetics, especially as a skin lightener, and 1,000 years ago, the Chinese began using it in their glazed pottery. Listed below are several of Talc’s uses for the industries of the world:

  • Paper Industry: Talc's number one consumer is the Paper Industry. It is used as filler and Coating for paper products. Furthermore, Talc helps control the paper's pitch while the paper is being processed. It improves paper smoothness, water retention in certain papers, and printability and runnability for coated papers.

  • Ceramics Industry: The Ceramics Industry is another Talc consumer. The glazing and bodies of the ceramics rely on Talc to give ceramics their gloss, whiteness and shape. Dinnerware, Sanitary ware, tiles, porcelain, and electrical insulation are all part of ceramics made with Talc. It is also used as a flux and to control thermal expansion - particularly in catalysts and particulate filters.

  • Paints Industry: Talc is a major ingredient in Paint & Coatings. It helps control glosses, improves durability, fights rust (anti-corrosive), prevents cracking, and enhances smoothness. Pigment control and stability are also applications that Talc adds to paint and Coatings.

  • Food Industry:
    • Additives in Foods : Talc coats some foods such as Chewing Gum, Candy and Cured Meat as an anti-sticking agent

    • Olive Oil Processing: To improve oil extraction & clarity.

  • Personal Care Industry: Due to Inert, soft and fragrance-retentive nature of Talc; it is used in manufacturing of Cosmetic Products.

    • The softness and oil absorption it offers make it a primary ingredient in blushes, eye shadows and powder compacts.

    • The oleophilic nature of Talc makes it popular for dusting on the body in both baby powder and body cream. It helps absorb wetness and odor produced by the human body.

    • The powder can be applied to help in chaffing and rubbing of the body extremities.

    • Foot powder is usually made from Talc, to help stop odor and wetness.

  • Talc used in cosmetics is required to be of high purity and is reduced to fine particles for preparation.

  • Soap Industry: Since pre-historic age Talc is being used as soap that is why Talc is also named as Soap Stone.

  • Reducing the cost of detergents, Talc acts as a carrier for many soaps. Talc is harmless to our skin and is inert making it the ideal mineral to put in detergents as filler.

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Body soap is sometimes made of Talc. It acts as filler and does not hurt the skin.
The following table contains chemical, physical and particle size analysis of Talc (M) P.C.10. MGT Mineral Company can provide all necessary trading relationship to export Talc (M) P.C.10 with these characteristics.

Talcum (M) P.C.10
Chemical Analysis Physical Analysis
  1.        SiO2   52.2 %    1.        Whiteness 89 ± 1 %
  2.        Fe2O3   0.16 %    2.        pH Value 8 ± 0.5
  3.        MgO   25 (Max) %    3.        Specific Gravity 2.7
  4.        L.O.I   12 (Min) %    
  5.        CaO   7.7 %    
Particle Size Analysis (Cumulative Distribution)
  X0 (µm) Q3 (%)   X0 (µm)   Q3 (%)   X0 (µm)   Q3 (%)   X0 (µm)   Q3 (%)
  0.90 5.67   3.70   34.91   15.00   88.48   61.00   100.00
  1.10 8.18   4.30   40.24   18.00   93.29   73.00   100.00
  1.30 10.58   5.00   46.01   21.00   96.18   87.00   100.00
  1.50 12.87   6.00   53.39   25.00   98.24   103.00   100.00
  1.80 16.16   7.50   62.69   30.00   99.33   123.00   100.00
  2.20 20.37   9.00   70.13   36.00   99.78   147.00   100.00
  2.60 24.42   10.50   76.13   43.00   99.94   175.00   100.00
  3.10 29.30   12.50   82.54   51.00   100.00    
X10=1.25 µm, X16=1.79 µm, X50=5.54 µm, X84=13.11 µm, X90=15.95 µm, X99=28.50 µm
 

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