borosilicate glass tube

colored borosilicate glass tubing 1.low wholesales price 2.high quality 3.lead free 4.low coe:3.3

colored borosilicate glass tubing 1.resist high temperature 2.contain no heavy metal. 3.high light transparency.

 colored borosilicate glass tubing

Usuage:

1.solar vacuum tube.

2. lighting.

3. glass blowing.

4. glass arts&crafts.

5.glassware like bongs and hookahs.

6.medical packaging.

7.laboratory intrusments and so on....

colcolored borosilicate glass tubing

1.resist high temperature

2.healthy, contain no heavy metal.3.very hard.

4.high light transparency.

5.low C.O.E: 3.3

 

colored borosilicate glass tubing

 

Features:

1) Available colors: clear , dark blue, light blue, amber, light yellow, green, pink,  purple, red and opaque black ,opaque white.

2) Regularly stocked tubing size (diameter x wall thickness): 25 x 4mm,

    32 x 3.2mm, 32 x 4mm, 38 x 3.2mm, 38 x 4mm, 44 x 4mm, 51 x 4mm,

    51 x 4.8mm

3) Customized sizes could be made:od:3.5-300mm,w.t:0.8-12mm, length:3000mm.

4) Regularly stocked rod diameter: 4mm - 35mm

 

 colored borosilicate glass tubing

 

Main composition:

1) SiO2: 80±0.5%

2) B2O3: 13±0.2%

3) Al2O3: 2.4±0.2%

4) Na2O(+K2O): 4.3±0.2%

 

Chemical properties:

1) Coefficient of mean linear thermal expansion (20°C/300°C):

    3.3±0.1 (10-6K-1)

2) Transformation temperature: 525±15°C

3) Working point: 1,260±20°C

4) Softening point: 820±10°C

5) Density at 20°C: 2.23g/cm²

6) Hydrolytic resistance at 98°C: ISO719-HGB1

7) Hydrolytic resistance at 121°C: ISO720-HGA1

8) Acid resistance class: ISO1776-1

9) Alkali resistance class: ISO695-A2

 

 

Pls feel free to send us inquiry if you are interested in glass tubing, glass pipes, waterpipes and so on.

borosilicate glass tube