Glass Grade Silicon dioxide

Description

Glass Grade Silicon dioxide (SiO₂) plays a vital role in glass manufacturing. Here are its specific uses and functions:

Main raw materials
Glass Grade Silicon dioxide is one of the main raw materials for manufacturing flat glass and glass products. It is the basic component of glass, usually accounting for more than 70% of the glass composition.

Influence on glass properties
Mechanical strength
The addition of Glass Grade can improve the mechanical strength of glass, making it more durable.

Chemical stability
Silicon dioxide gives glass good chemical stability, making it less likely to react with most acids and alkalis, especially good acid resistance, except for hydrofluoric acid (HF).

Optical properties
The high purity and transparency of silicon dioxide give glass excellent optical properties, suitable for the manufacture of optical instruments and optical devices.

Manufacture of special glass
Quartz glass
Pure silicon dioxide can be used to make quartz glass, which has an extremely low expansion coefficient, can withstand drastic changes in temperature, has good acid resistance, and is often used to make high-temperature resistant chemical instruments.

Optical fiber
Silicon dioxide is an important raw material for manufacturing optical fiber, which is widely used in modern communication technology.

Desiccant
In addition,Silicon dioxide is use for desiccant in hollow glass to remove water molecules in the air layer through the physical method of adsorption.

Thermal properties
The thermal expansion coefficient of silica glass is extremely small, so its ability to withstand sudden changes in temperature is quite strong.

Conclusion
In summary, silicon dioxide is not only the main raw material in glass manufacturing, but also has an important impact on its mechanical strength, chemical stability and optical properties. In addition, silicon dioxide is also use for manufacture special types of glass, such as quartz glass and optical fiber, which play a key role in their respective fields.