Opaque Quartz Tube

I. Application

Far infrared heating field, such as: heater, disinfection cabinet, microwave oven and other types of electric heating appliances.

II. Product Features

It is a kind of opaque opalescent quartz glass processed by a special process, whose appearance is opalescent. It can absorb almost all visible and near-infrared light from electric heating wire radiation, and can convert it into far-infrared radiation with precise size and strong thermal stability.

III. Product Type

WQPQ781,Opaque Quartz Tube

IV. Typical Size

OD RangeODTolerance ThicknessWTToleranceOut ofRound Siding Bow
3<Ф≤10±0.11~2.0±15%2%12%0.15%
10<Ф≤20±0.21~2.5±20%1.25%12%0.15%
20<Ф≤30±0.251.5~3.0±20%1.25%12%0.15%

V. Physical and Chemical Properties

i. Mechanical and Thermal Properties

Density(20℃kg/m3Thermal Expansion(200-300℃℃-1Softening Point(℃)Annealing Point(℃)Strain Point(℃)
2.1*1031670

ii. Impurity Value

Purity more than 95%

iii. OH Content

Typical Value without BakingAfter baking
200

iv. Optical Properties

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