Filter

Filter

Quartz glass filter is a special industrial technology glass filter made of silicon dioxide, which is a very good basic material.

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Coating processing

Key words:

Filter

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sales@cxjc-quartzglass.com

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- Commodity name: Filter
Quartz glass filter is a special industrial technology glass filter made of silicon dioxide, which is a very good basic material.

1. Quartz glass filter is a special industrial technology glass filter made of silica, which is a very good basic material. Quartz glass filter has a series of excellent physical and chemical properties. High temperature resistance: the softening point of the quartz glass filter is about 1730 ℃, which can be used for a long time at 1100 ℃, and the maximum use temperature can reach 1450 ℃ for a short time.
2, corrosion resistance: in addition to hydrofluoric acid, quartz glass filter almost does not react with other acids, its acid resistance is 30 times the ceramic stainless steel 150 times. In particular, the chemical stability at high temperatures is unmatched by any other engineering material.
3, good thermal stability: the thermal expansion coefficient of quartz glass filter is very small, can withstand severe temperature changes, the quartz glass filter is heated to about 1100 ℃, put in room temperature water will not burst.
4. Good light transmission performance: quartz glass filter has good light transmission performance in the whole spectral band from ultraviolet to infrared, and the visible light transmittance is above 93%, especially in the ultraviolet spectral region, the maximum transmittance can reach more than 80%.
5. Good electrical insulation performance: The resistance value of the quartz glass filter is 10,000 times that of the ordinary glass filter. It is an excellent electrical insulation material and has good electrical properties even at high temperatures.
Far ultraviolet optical quartz filter application band range 185-2500
Ultraviolet optical quartz filter application band range 220-2500
Infrared optical quartz filter application band range 260-3500
The role of quartz filter is to filter out the infrared part generated by ultraviolet UV light and reduce the heat of the irradiated object. It is the first choice for the design of low-temperature UV equipment.
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