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Buy Silica Fume Wholesale

buying silica fume wholesale

Silica fume Properties

Silica fume, also known as microsilica (CAS number 69012-64-2, EINECS number 273-761-1). It is divided into two types: densified microsilica and undensified microsilica . Microsilica is a fine powder with particle size less than 1 micron and has a high silicon dioxide (SiO2) content of about 85% – 99%.

Silica Fume Applications

Silica fume is added to concrete as a supplementary cementitious material (SCM) to improve its durability, strength, and workability. It reacts with the calcium hydroxide produced during the hydration of cement to form additional C-S-H gel, which is the primary binding material in concrete.

In addition to its use in concrete, silica fume is also used in other applications, such as refractories, mortars, grouts, and as a filler in various polymer composites. The high reactivity of silica fume also makes it useful in the production of high-performance ceramics, refractory linings, and fireproof materials.

Precautions for buying silica fume wholesale

When buying silica fume wholesale, it’s important to consider the properties of the product and ensure that it meets the specifications required for your application. For example, if you’re using silica fume in concrete, you’ll want to make sure that it has a high SiO2 content and a consistent particle size. Some suppliers may offer different grades of silica fume, so it’s important to choose the right grade for your specific application.

Wholesale silica fume is usually sold in bulk, either in bags or in bulk containers. The price of silica fume varies depending on the quantity purchased and the delivery location. Some factors that can affect the cost of silica fume include transportation costs, demand, and production costs.

When purchasing silica fume wholesale, it’s also important to consider the quality of the product and the reputation of the supplier. High-quality silica fume should have consistent particle size and a low moisture content. Some suppliers may offer discounts for large orders, but it’s important to balance the cost savings with the quality of the product.

Silica Fume Supplier

Henan Superior Abrasives is a leading manufacturer and supplier of silica fume and other abrasive materials. Based in Henan, China, the company offers a wide range of products for various applications in the construction, industrial, and manufacturing sectors.

Henan Superior Abrasives is known for producing high-quality silica fume with consistent particle size and a low moisture content. The company’s silica fume is produced using advanced manufacturing processes and is regularly tested to ensure that it meets the highest standards of quality.

In addition to silica fume, Henan Superior Abrasives also offers other abrasive materials, such as aluminum oxide, silicon carbide, Boron Carbide, Diamond Wheel, Ceramic block and Ceramic ring. The company’s products are widely used in a variety of applications, including surface preparation, sandblasting, polishing, and cutting.

Henan Superior Abrasives is committed to providing its customers with the best products and services. The company has a highly skilled and experienced team of professionals who are dedicated to meeting the needs of its customers. With its commitment to quality and customer satisfaction, Henan Superior Abrasives has established itself as a trusted name in the abrasive materials industry.


Silica fume is a valuable material with a wide range of applications in the construction and industrial sectors. When purchasing silica fume wholesale, it’s important to consider the quality and properties of the product, the reputation of the supplier, and the delivery and storage options. By carefully selecting your silica fume supplier and product, you can ensure that you receive the best value for your investment and the best results for your application.

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