Borosilicate Glass Tube
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Wholesale Made in China Borosilicate Clear Glass Tube For Blowing

Wholesale Made in China Borosilicate Clear Glass Tube For Blowing

PCHAO brand industrial sight glass give you professional custom!
Address:Room 1624, Jing Ye Gong Yuan Guo Ji, Jin Sui road and New Second Street intersection, Xin Xiang city, Henan Province, China
Phone: +8613569413718
Wholesale Made in China Borosilicate Clear Glass Tube For Blowing

Clear Glass Tube,Borosilicate Clear Glass Tube,Glass Tube For Blowing

Description of borosilicate glass tube

Borosilicate glass is one of transparent colorless glass,through wavelength is between 300 nm to 2500 nm,transmissivity is more than 90%. Coefficient of expansion is 3.3. It can acid proof and alkali, the high temperature resistant is about 450℃. If course handling,the temperature resistant can reach 550℃ or so. Apply to lighting fixture,chemical industry ,electron,high temperature equipment and so on .

Technical Date

Density 2.5 g/cm3
Hardness >7
Tensile strength 4.8x107pa(N/M2)
Compressive strength 40-90MPa
Modulus of elasticity 63·103N·mm-2 
Poisson's ratio 0.18
Coefficient of thermal expansion (0-300) 3.3±0.1×10-6K-1
Thermal conductivity 1.2W·m-1·k-1 
Softening point 820±10°C 
Annealing point 560°C 
Strain point 516±10°C 
Electrical resistivity >1018 Ωm
Dielectric constant 4.6 1 MHz, 25


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);
4. Power regeneration by solar energy (solar cell base plate);
5. Fine instruments (optical filter);
6. Semi-conductor technology (LCD disc, display glass);
7. Medical technique and bio-engineering;
8. Safety protection (bullet proof glass)
If you are interested in the or need to consult, please sending your inquiry:
Phone : +86 13343800331  Email:

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Xinxiang Pan Chao Instruments Co., Ltd.

Tel: +86 13343800331

Contact person:Carrie Niu

Fax: 0373 303 0331