Borosilicate Glass Tube
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Heat-resistant Big size u bent borosilicate glass tube corrosionproof

Heat-resistant Big size u bent borosilicate glass tube corrosionproof

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
Heat-resistant Big size u bent borosilicate glass tube corrosionproof

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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