الوصف

Widely used in the filed of semiconductor, metallurgy,chemical industry, 
electric light source, photo-communication, medical equipment, scientific instruments and so on.

• Specifications:

•  Features of JD Heat Resistant High Quality Milky Quartz Flange

1. High purity made of *9.*9% pure quartz
2. Strong Hardness, Can reach Morse level 7.
3. High temperature resistance, can work under ***0°C continuously,and in short time can even work under ***0°C.
4. Acid and Alkali resistance. Except Hydrofluoric acid, JD Quartz Tube Heating Element Flange Furnace does not react with any acid
5. Electric insulation, it is ****0 times of usual glass.
6. High light transmittance , it is different from *5%**5% depend on different spectrum.
7. Excellent thermal shock stability ,Small thermal expansion coefficient,it is only 5.5×***7/℃
8. Control in less than *0 PPM, *5 PPM, *0 PPM, 5 PPM ,2 PPM.