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Red colored borosilicate glass tube

— high temperurate resistant glass tube

Other name as below

1. heat resistant glass tube

2. pyrex  glass tube

3. borosilicate glasstube

4. fireplace resistant glass

Characteristics

1) Great heat resistance performance,stable chemical property;

2) High light transmission;

3) Various thicknesses for you to choose, the range for thickness is 1.6-25mm

4) Wide optical application, 3.3 or 4.0 expandtion you can choose.

Application

Borosilicate glass serves as a material of true function and wide applications:

1.Household electrical appliance (panel for oven and fireplace, microwave tray etc.);

2.Environmental engineering and chemical engineering (lining layer of repellence, autoclave of chemical reaction and safety spectacles);

3..Lighting (spotlight and protective glass for jumbo power of floodlight,such as round glass cover);

4.Power regeneration by solar energy ;

5.Fine instruments (optical filter);

6.Semi-conductor technology;

7.Medical technique and bio-engineering;

8.Safety protection

Borosilicate glass

Features: 1) Available colors: dark blue, light blue, amber, light yellow, green, pink, purple, red and opaque black 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 4.8mm3) Customized sizes could be made 4) Regularly stocked rod diameter: 4mm – 35mmMain 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°C3) Working point: 1,260±20°C4) Softening point: 820±10°C5) Density at 20°C: 2.23g/cm²6) Hydrolytic resistance at 98°C: ISO719-HGB17) Hydrolytic resistance at 121°C: ISO720-HGA18) Acid resistance class: ISO1776-1 9) Alkali resistance class: ISO695-A2PackingExport cartons on fumigated wooden pallet