Quartz flange

Specifications
- High purity , SiO2> 99.99%.
- Working Temperature: 1250℃; Soften Temperature: 1730℃ .
- Good thermal stability.
- Acid-proof, Alkali-proof.
- Excellent electrical insulator.
- Transmission: Visible light >93%, UV light>85%.

Physical property of Quartz flange: 

Property

Value

Desity

2.2 g/cm3

Hardness

570KHN100

Tensile strength

4.8×107 Pa (N/m2)

Compression srength

>1.1x109Pa

Coefficient of thermal expansion(20℃-300℃)

5.5×10-7cm/cm℃

Thermal conductivity(20℃)

1.4W/m℃

Specific heat (20℃)

660J/kg℃

Softening point

1730℃

Annealing point

1250℃

 

Application of quartz glass ring:

Quartz glass ring widely used for semi-conductor, light source, industry, test tube, lamp tube, diffusion tube, protective tube, laboratory instrument etc.

General size:

Outer diameter: 1.5mm-450mm

Thickness:  0.5mm-10mm

Length: can be made according to customer’s request

Customize Size:

We can produce different shape and different sizes according the customer’s demand.

We can do the deep process, cut, fire end, bend, frosted, etc.

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