With the adoption of distinctive technique this milky quartz glass tube has its typical characteristics of good visual aspects and stable physical & chemical properties. It is used as material of infrared heating lamps for heaters, microwave oven, electrical baking oven, sterilization container and other consumer and industrial infrared application

Dimensional Tolerance


Range of OD WT Siding Out of Round Bow/1220mm
8.0±0.15 1.0±0.10 10% 1.5% 2.5mm
9.0±0.15 1.0±0.10 10% 1.5% 2.5mm
10.0±0.15 1.0±0.10 10% 1.5% 2.5mm
10.5±0.15 1.0±0.10 12% 1.5% 2.5mm
11.0±0.18 1.0±0.10 12% 1.5% 2.5mm
12.0±0.20 1.0±0.10 12% 1.5% 2.5mm
13.0±0.22 1.0±0.10 12% 1.5% 2.5mm
12.0±0.3 1.5±0.10 12% 1.5% 2.5mm


Physical & Chemical Properties
Opalescence SiO2 Heat Resistance
Spectral transmission at 500nm＜10% SiO2＞99.5% Keep under 900℃ for 15 minutes, then put into 20℃ water, no crack after 3 times.