Talc Powder for Ceramics

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Talc powder is an essential ingredient in ceramic manufacturing, contributing to superior performance and cost efficiency in a wide range of applications, from traditional pottery and porcelain to advanced technical ceramics. It acts as a fluxing agent, effectively reducing the firing temperature while enhancing the strength and whiteness of the final product.

Talc Powder Grade and Specification

Product Code

Whiteness by Hunter Lab L* (%)

Particle size: D50, D97 (micron)

Apparent, Tapped Density (g/cc)

SiO2, MgO

Remarks

WIN7D27R (P0151007025H)

92 min.

6±2, 20±3

0.24-0.34,
0.28-0.38

60 min., 30 min.

WIN7D27R (P016A1007025H)

94 min.

10±2, 37±3

0.31-0.41,
0.38-0.48

60 min., 30 min.

WIN7A17R (P0171007025H)

96 min.

12±2, 37±3

0.27-0.37, 0.32-0.42

60 min., 30 min.

WIN7A17R (P0191007025H)

96 min.

6±2, 20±3

0.24-0.34,
0.30-0.40

60 min., 30 min.

WIN7A17R (P0301007030H)

96 min.

4±2, 15±3

0.30-0.40,
0.35-0.45

60 min., 30 min.

WIN7A17R (P0321007030H)

96 min.

4±2, 9±3

0.35-0.45,
0.41-0.51

60 min., 30 min.

WIN7A17R (P0331007030H)

96 min.

3±2, 7±3

0.24-0.34,
0.31-0.41

60 min., 30 min.

Properties and Benefits of Talc Powder in Ceramic Products :

High Thermal Stability: Talc's ability to withstand high temperatures without decomposition enhances thermal shock resistance, making ceramics suitable for high-temperature applications like kiln linings and cookware.
Low Thermal Expansion: Talc exhibits minimal thermal expansion, reducing cracking and deformation during firing and use, ensuring dimensional stability in ceramic products.
Fluxing Agent: Talc lowers the melting point of ceramic materials during firing, reducing firing temperatures, resulting in energy savings and improved production efficiency.
Enhanced Sintering: Talc promotes particle fusion during firing, improving the density and strength of ceramic products, leading to greater durability.
Reinforcement: The lamellar structure of talc provides reinforcement to ceramic bodies, increasing mechanical strength and resistance to wear and tear.
Improved Workability: Talc acts as a natural lubricant in ceramic mixtures, making shaping and forming processes easier and more efficient.
Smooth Surface Finish: Talc’s fine particle size contributes to a smooth texture, resulting in ceramics with enhanced aesthetic appeal and functional surface properties.
Chemical Stability: Talc is chemically inert and non-reactive with other materials, improving chemical resistance and making ceramics more durable in harsh environments.
Moisture Resistance: Talc reduces porosity in ceramic products, enhancing water and moisture resistance, increasing the longevity of products in wet conditions.
Dimensional Accuracy: Talc minimizes shrinkage and distortion during firing, ensuring precise shapes and sizes in finished products, such as tiles and sanitary ware.
Cost-Effective Additive: Talc is an economical filler for ceramic formulations that reduces production costs without compromising quality or performance.
Abrasion Resistance: Talc enhances the abrasion resistance of ceramics, increasing durability in applications such as tiles and flooring.

Finished Ceramic Products That Incorporate Talc Powder:

Construction Ceramics:

Floor Tiles
Wall Tiles
Roofing Tiles

Sanitary Ware:

Toilets
Sinks
Bathtubs

Tableware and Household Ceramics:

Plates
Cups and Mugs
Bowls

Refractory Ceramics:

Kiln Linings
Fire Bricks
Crucibles

Electrical Ceramics:

Insulators
Electrical Enclosures
Spark Plug Components

Technical and Advanced Ceramics:

Heat Shields
Engine Components
Medical Implants (e.g., ceramic dental implants)

Decorative Ceramics:

Vases
Figurines
Art Tiles

Industrial Ceramics:

Abrasives
Cutting Tools
Wear-Resistant Linings

Raw Materials in the Ceramic Supply Chain That Can Incorporate Talc Powder:

Clay Materials:

Kaolin
Ball Clay
Fire Clay
Bentonite

Fluxing Agents:

Feldspar
Quartz
Talc

Fillers and Extenders:

Calcium Carbonate
Silica
Alumina

Refractory Materials:

Magnesite
Bauxite
Zircon

Additives:

Plasticizers
Binder Agents
Deflocculants

Glazing and Coating Materials:

Frits and Glazes
Oxides and Pigments

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