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Silica sand is a naturally occurring mineral that is composed of silicon dioxide (SiO2). It is used in a variety of industrial applications, such as glassmaking, foundry work, and hydraulic fracturing. The quality of silica sand can vary depending on the location and the geological history of the deposit from which it is extracted. As a result, silica sand is typically classified into different grades based on its particle size distribution and other physical and chemical properties.

Silica sand

The various grades of Silica Sand include

1. Glassmaking sand

This is the highest quality Silica Sand, with a minimum silica content of 99.5%. It is used in the production of glass containers, flat glass, and fiberglass.

2. Foundry sand

This grade of Silica Sand has a lower silica content (around 95%) and is used in foundry casting processes.

3. Frac sand

This is a high-purity Silica Sand with a particle size distribution that is suitable for use in hydraulic fracturing. It is used to prop open fractures in shale rock to allow oil and gas to flow more freely.

4. Filter sand

This grade of Silica Sand is used in water filtration systems to remove impurities and particles from drinking water.

5. Abrasive sand

This is a coarser grade of Silica Sand that is used in sandblasting and other abrasive applications.

6. Construction sand

This grade of Silica Sand is commonly used in the construction industry for making concrete, mortar, and asphalt. It typically has a lower silica content than some of the other grades and may contain impurities like clay and silt.

7. Molding sand

This grade of Silica Sand is used in the foundry industry for making molds and cores for casting metal parts. It has a specific particle size distribution and other properties that make it suitable for this purpose.

8.Specialty sand

This grade of Silica Sand includes various specialized types, such as colored sand for decorative purposes, golf course sand for use in sand traps, and artificial turf infill sand for synthetic sports fields.

Silica Sand grades can also be classified based on their shape and texture. For example, rounded silica sand is preferred for hydraulic fracturing because it can withstand high pressure and prevent fractures from closing. On the other hand, angular silica sand is preferred for abrasive applications like sandblasting because it can cut and scour surfaces more effectively.

In addition to particle size and shape, the purity of Silica Sand is also an important factor in determining its grade. High-purity silica sand is required for applications like glassmaking and semiconductor manufacturing, where even small amounts of impurities can affect the quality and performance of the final product.

Overall, the specific grade of Silica Sand that is used for a particular application will depend on a variety of factors, including particle size, shape, purity, and other physical and chemical properties.

Low Iron Silica Sand

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Silica Sand Grades

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