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Borosilicate color glass tube

FOB Price: US $0.7 - 10 / Kilogram | Get Latest Price
Min.Order Quantity: 500 Kilogram/Kilograms
Port: Qingdao
Payment Terms: L/C,T/T
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Quick Details

Place of Origin:
Shandong, China (Mainland)
Brand Name:
gt glass
Model Number:

Packaging & Delivery

Packaging Details: export standard carton, pallet, wooden box


Borosilicate glass tube 3.3
Color: pink, purple, blue, green, yellow, amber, black, white


Borosilicate COE3.3 glass tubing:
1. Diameter available: 3.5mm~300mm
2. Wall thickness: 0.8mm~12mm
3. Length: 1220mm~3000mm
4. Regular sizes: 9*2, 12*2, 25*4, 28*4, 32*3.2, 32*4, 38*4, 44*4, 51*4, 50*5.

Borosilicate COE3.3 lampworking rods:
1. Diameter available: 3.5mm~46mm
2. Length: 1220mm~1500mm
3. Regular sizes: 4-30mm OD, 1200mm Length.


Chemical Composition


SiO2: 81%

B2O3: 13%


Al2O3: 2%


Chemical Data


Hydrolytic Resistance at 98°C

ISO719-HGB 1

Hydrolytic Resistance at 121°C

ISO720-HGA 1

Acid Resistance Class

ISO1776-First Class

Effects of a Boiling Aqueous Solution of Mixed Alkalis (in accordance with ISO 695)

A2 or better



Physical Property


                   According to ISO 3585 and CSN ISO 3585 standards

Physical Performance

Numerical Value


Coefficient of Mean Linear Thermal Expansion(ISO 7991)



Transformation Temperature



Softening Point (ISO 7884-6)



Working Point (ISO 7884-2, ISO 7884-5)



Upper Cooling Temperature (ISO 7884-7)



Lower Cooling Temperature (ISO 7884-7)



Density at 20°C



Thermal Conductivity (20°C--100°C)



Specific heat capacity at constant pressure

0.8× 103


Modulus of elasticity

64 × 103


Tensile strength



Poisson constant



Refractive Index




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Jinan GT Industrial Co., Ltd. (also known as GT GLASS) is located in the Spring City of Jinan and is specialized in glass products.

The founder of GT GLASS, Mr. Lee who has rich experience in the glass field, founded the company in 2003. Through six years' continuous efforts, our company now has high-tech production lines and inspection department to cater for international market. In spite of having tough competition in glass tube business, we could achieve export sales of 8000 MT ... View detail

Basic Information

Business Type: Manufacturer, Trading Company  
Main Products: Borosilicate Glass Tubing,Amber Tubing,Colored Tube,lead glass,lead free glass  
Number Of Employees: 101 - 200 People  

Trade & Market

Main Markets: Domestic Market
Southeast Asia
Eastern Europe
Western Europe
Eastern Asia
South America
North America
Mid East
Total Annual Sales Volume: US$10 Million - US$50 Million  
Export Percentage: 61% - 70%  
Trade Shows: CPHI Shanghai 2015    

Factory Information

Factory Size (Sq.meters): 5,000-10,000 square meters  
Factory Location: No.158, Shuangyang Industry Zoo, Zichuan distract, Zibo City, Shandong , China  
No. of Production Lines: Above 10  
Number of R&D Staff: 11 - 20 People  
Number of QC Staff: 21 - 30 People  
Certifications: ISO9001
Contract Manufacturing: OEM Service Offered   Design Service Offered  

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How It Works

Verified Supplier - Jinan GT Industrial Co., Ltd.
China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2004 , 8 years OEM

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