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Ball Clay

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MOQ : 20 MT Metric Tons

Ball Clay Specification

Hardness (%)
Mohs scale: 2-2.5

Water Absorption
10-20%

Chemical Composition
Al2O3 (Alumina): 25-35%, SiO2 (Silica): 50-60%, Fe2O3 & TiO2: <2%

Usage & Applications
Vitrified tiles, sanitary ware, tableware, ceramics, firebricks

Melting Point
1700-1750C

Density
1.8 Gram per cubic centimeter(g/cm3)

Application
Ceramics, Refractories, Sanitary ware, Tiles, Pottery

Purity(%)
Up to 95%

Form
Fine powder / Natural lump

Surface Finish
Smooth after firing

Product Type
Refractories

Types of Refractories
Silicate-based refractory clay

Shape
Powder or lumps

Porosity
15-25%

Dimensional Stability
Good under thermal stress

Strength
High plasticity and bonding strength

Specific Gravity
2.58-2.65

Thermal Conductivity
Low

Color
Light grey to cream; turns white after firing

Ball Clay Trade Information

Minimum Order Quantity
20 MT Metric Tons

FOB Port
Mundra

Payment Terms
Delivery Point (DP), Letter of Credit (L/C), Western Union, Telegraphic Transfer (T/T), Days after Acceptance (DA)

Supply Ability
500 Metric Tons Per Month

Delivery Time
12 Days

Sample Available
Yes

Sample Policy
Free samples are available

Main Export Market(s)
Western Europe, Australia, North America, Eastern Europe, Central America, Middle East, South America, Asia, Africa

About Ball Clay

Ball Clay / Plastic Clay

Ball Clay / Plastic Clay is a sedimentary mineral which is most commonly known as ball clay which consist of kaolinite with a percentage in between 20 to 80 percent and mica in between 10 to 25 percent. It is available in solid spherical for with a size nearly equal to that of a golf ball. This earthy material is widely used in various industries such as ceramic manufacturing, tile making, as a refractory element for kiln insulation, as an electrical porcelain insulator and many more.

Exceptional Plasticity and Strength

Ball Clay features a high plasticity index, providing excellent bonding strength, which is essential for shaping ceramics and tiles. This property allows manufacturers to produce intricate designs and durable products with good dimensional stability, even under thermal stress.

Outstanding Firing Whiteness and Smooth Finish

After firing, Ball Clay turns from light grey or cream to an attractive white, achieving 80-90% whiteness. Its fine particle size (up to 45 microns) and smooth finish make it perfect for tableware, sanitary ware, and vitrified tiles where appearance is crucial.

Versatile Industrial Applications

Ball Clay is highly valued in industries such as ceramics, refractories, pottery, tiles, and firebrick manufacturing. Its low thermal conductivity, moderate porosity, and high purity support usage in both exporting and local manufacturing, ensuring reliable results for diverse applications.

FAQ's of Ball Clay:

Q: How is Ball Clay used in the production of ceramics and sanitary ware?

A: Ball Clay is incorporated into ceramic and sanitary ware formulations for its high plasticity and bonding strength. It enables the creation of intricate designs, offers good dimensional stability, and produces smooth, white surfaces after firing.

Q: What makes Ball Clay suitable for refractory and tile applications?

A: Its silicate-based composition, high alumina and silica content, and low thermal conductivity provide excellent thermal resistance and stability. These characteristics are essential for firebricks, tiles, and other refractory products exposed to high temperatures.

Q: When does Ball Clay achieve maximum whiteness?

A: Ball Clay reaches its peak whiteness (80-90%) after firing at optimal temperatures. Before firing, it appears light grey or cream, gradually transforming to white as the firing process completes.

Q: Where can Ball Clay be sourced in India?

A: Ball Clay in India is supplied by exporters, manufacturers, and distributors, serving a range of industries. It is available in forms such as fine powder or natural lumps, depending on specific needs.

Q: What is the process of preparing Ball Clay for industrial use?

A: Preparation involves mining, drying, and milling Ball Clay to the desired fine powder (up to 45 microns). The processed clay is carefully blended to stringent purity and chemical specifications before being distributed for industrial consumption.

Q: How does Ball Clay benefit manufacturing compared to other clays?

A: With its high plasticity, strength, and excellent whiteness after firing, Ball Clay allows for superior surface finish, increased shaping flexibility, and reliable durability, especially in ceramics and tile production.

Q: What are the advantages of Ball Clay's low thermal conductivity and good dimensional stability?

A: Low thermal conductivity ensures better heat resistance, while good dimensional stability maintains shape under thermal stress-both crucial for refractories, firebricks, and ceramic applications that require consistent performance under heat.

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