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High-Quality Metakaolin for Sale

HSA Metakaolin

What is Metakaolin?

Metakaolin is a highly reactive pozzolan that is produced by calcining kaolin clay at high temperatures. The calcination process transforms the raw material into a fine white powder that has a high concentration of amorphous silica and alumina. The resulting metakaolin has a significantly higher reactivity than the original kaolin clay, which makes it an ideal material for use in a variety of applications.

Chemical Composition

In terms of its chemical composition, metakaolin is primarily made up of silica and alumina. The exact composition can vary depending on the source of the kaolin clay and the specific calcination process used. Metakaolin is known for its high purity and consistent quality, which makes it an attractive option for use in industries where precision and reliability are essential.

Physical Properties

Metakaolin is a versatile material that has a wide range of physical properties. It is a fine, white powder that is highly reactive and can have a range of particle sizes. Metakaolin is non-toxic, non-flammable, and does not produce any harmful byproducts when used.

Benefits of Metakaolin

Metakaolin is a popular material in the construction industry due to its ability to improve the strength and durability of concrete. When added to concrete, metakaolin reacts with the calcium hydroxide in the cement to form additional calcium silicate hydrate (C-S-H) gel. This gel fills in the gaps between the cement particles and makes the concrete denser and more resistant to cracking and other forms of damage.

In addition to its benefits for concrete, metakaolin also has environmental benefits. The production of metakaolin requires significantly less energy than the production of other pozzolans, which means that it has a lower carbon footprint. Furthermore, metakaolin is a byproduct of the production of kaolin clay, which means that it helps to reduce waste and create a more sustainable production process.

Applications of Metakaolin

Metakaolin is used in a variety of industries, including construction, ceramics, and paints. In the construction industry, metakaolin is used as a pozzolan to improve the strength and durability of concrete. It can also be used as a filler in concrete, mortar, and other construction materials.

In the ceramics industry, metakaolin is used as a raw material for the production of porcelain and other high-performance ceramics. The high purity and consistent quality of metakaolin make it an ideal material for use in ceramics.

In the paint industry, metakaolin is used as a functional filler to improve the rheological properties of paint. It can also be used to enhance the opacity and whiteness of paint.

Where to Buy Metakaolin

If you’re looking to buy high-quality metakaolin, Henan Superior Abrasives is a reliable supplier to consider. We offer a range of metakaolin products that are suitable for various applications in construction, ceramics, paints, and other industries. Our metakaolin products are produced using advanced processing techniques that ensure consistent quality and purity. Additionally, Henan Superior Abrasives is committed to sustainable production practices, making their metakaolin products an eco-friendly choice. Contact us today to learn more about their metakaolin products and how they can enhance your projects.


Metakaolin is a versatile and eco-friendly material that has a wide range of applications in construction, ceramics, and paints. Its high reactivity, consistent quality, and environmental benefits make it an attractive option for use in a variety of industries. If you are looking for a material that can improve the strength and durability of your construction projects, or enhance the performance of your ceramics or paints, consider using metakaolin.

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