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Quartz Sleeve

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Quartz glass tube is a special industrial technology glass made of silica, which is a very good basic material. Quartz glass has a series of excellent physical and chemical properties,widely use in optical, chemical, semiconductor industrial, liquid crystal ,lighting, .ect. Heat resistance, light transmission, electrical insulation and chemical stability are very good.

Advantage of Quartz Tube:

1. High purity , SiO2> 99.99%.

2. High temperature resistant.

3. Good thermal stability.

4. Acid-proof, Alkali-proof.

5. Excellent electrical insulator.

6.Good light transmittance.

 

Physical property of Quartz Tube: 

 

Mechanical properties

Value

Mechanical properties

Value

Density

2.2 g/cm3

Deformation Point

1280℃

Compressive Strength

1100Mpa

Softening Point

1780℃

Flexure Strength

67Mpa

Annealing Temperature

1250℃

Poisson's ratio

0.14~0.17

Specific heat (20℃)

660J/kg℃

Young's Modulus

72000Mpa

Thermal conductivity  (20℃)

1.4W/m℃

Modulus of Rigidity

31000Mpa

Refractive Index

1.4585

Mohs Hardness

5.5~6.5

Coefficient of Thermal Expansion    (20℃-300℃)

5.5x10-7cm/cm℃

 

Electrical Performance

Value

Resistivity

7x10⁷Ω.cm

Dielectric Strength

250~400Kv/cm

Dielectric Constant

3.7~3.9

Dielectric Absorption Coefficient

<4x10⁴

Dielectric Loss Coefficient

<1x10⁴

 

Available size:

Outer diameter: 1.5mm-450mm

Thickness:  0.75mm-10mm

Length: standard length 1000mm, 1240mm,1500mm and 2000mm, and we 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.

 

Application of quartz glass pipe/tube:

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

 

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