What are the raw materials for silica bricks?

Silica bricks are a type of refractory brick made from silica, which is also known as silicon dioxide (SiO2). The following are the primary raw materials used in the manufacturing of silica bricks:
1.Silica sand

It is the most important raw material for making silica bricks. High-quality silica sand with high SiO2 content, low impurities, and suitable particle size is preferred.
2.Kaolin or clay

Small amounts of kaolin or clay may be added to silica sand to improve its plasticity and molding properties.
3.Alumina

Small amounts of alumina may be added to silica sand to increase the refractoriness and mechanical strength of the bricks.

4.Binders

Organic binders, such as starch or cellulose, may be added to the raw material mixture to improve the strength and plasticity of the bricks.
5.Additives

Small amounts of various additives may be added to the mixture to enhance specific properties of the finished product, such as thermal shock resistance or corrosion resistance.
The exact composition of silica bricks may vary depending on the application requirements, manufacturing process, and the availability of raw materials. However, silica sand is always the main component of silica bricks, while other materials are added in small quantities to achieve the desired properties.