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High Temperature Annealing Treatment of Fused Silica Glass Plate

  • High temperature annealing treatment of fused silica glass plate

  • High temperature annealing treatment of fused silica glass plate is a process used to improve the properties of quartz glass.

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High temperature annealing treatment of fused silica glass plate


High temperature annealing treatment of fused silica glass plate is a process used to improve the properties of quartz glass. In the production process of quartz glass, thermal stress is generated inside the glass due to the influence of temperature difference. The presence of these stresses can affect the optical uniformity, mechanical strength, and structural stability of quartz glass. Therefore, the purpose of high-temperature annealing treatment is to eliminate these stresses and improve the overall performance of quartz glass.


High temperature annealing treatment of fused silica glass plate


The annealing process includes several key steps, such as heating stage, soaking stage, and cooling stage. During the heating stage, quartz glass is heated to a certain temperature to eliminate internal stress. The isothermal insulation stage is to maintain high temperature for a period of time to ensure that stress is fully released. Finally, during the cooling phase, the glass gradually cools down to avoid the generation of stress again.


Various shapes of polished optical quartz glass plates


Annealing process is particularly important for high-performance quartz glass because it not only requires stress relief, but also needs to make the density and refractive index of each part of the glass consistent, thereby improving optical uniformity. This process is crucial for producing high-quality optical components and precision instruments.


quartz properties


High temperature annealing treatment of fused silica glass plate is a fine process with high technical requirements, which is of great significance for improving the performance and application range of quartz glass.


Why choose us?

1.We are more experienced.

We have over 18 years production experience of quartz items.

2.We are more efficient.

We reply customers’ requests within 24 hours and we have high efficient production, engineers and sales team.

3.Our quality is more guaranteed.

We control the quality from quartz lumps to quartz sand and then quartz products, we have better and stricter quality control than other manufactures.

4.We are able to produce more difficult quartz products.

We have large grinding platforms and precision etching machines which enable us to produce large sizes of quartz plates, tubes and high size precision quartz items.


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