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Borosilicate color glass tube

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FOB Price: US $0.7 - 10 / Kilogram Get Latest Price
Port: Qingdao
Minimum Order Quantity: 500 Kilogram/Kilograms
Payment Terms: L/C,T/T
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Verified Supplier - Jinan GT Industrial Co., Ltd.
[ Shandong, China (Mainland) ]
Business type: Manufacturer, Trading Company
  • Onsite operations checked and legal status confirmed

Quick Details

Place of Origin: Shandong China (Mainland) Brand Name: gt glass Model Number: 4-315

Specifications

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%

Na2O+K2O:4%

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

Unit

Coefficient of Mean Linear Thermal Expansion(ISO 7991)

3.3±0.1

10-6K-1

Transformation Temperature

525±15

°C

Softening Point (ISO 7884-6)

820±10

°C

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

1260±20

°C

Upper Cooling Temperature (ISO 7884-7)

560

°C

Lower Cooling Temperature (ISO 7884-7)

510

°C

Density at 20°C

2.23±0.02

g/cm3

Thermal Conductivity (20°C--100°C)

1.2

w/m2K

Specific heat capacity at constant pressure

0.8× 103

J×/Kg·K

Modulus of elasticity

64 × 103

MPa

Tensile strength

35-100

MPa

Poisson constant

0.2

 

Refractive Index

0.92

 

 

Not exactly what you want? Post a quick Buying Request!
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 glass ... View detail

Basic Information

Product/Service (We Sell): Borosilicate Glass Tubing,Amber Tubing,Colored Tube,lead glass,lead free glass  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: Western Europe
Eastern Asia
South America
Eastern Europe
Africa
Mid East
North America
Southeast Asia
Total Annual Sales Volume: US$1 Million - US$2.5 Million  
Export Percentage: 91% - 100%  

Factory Information

Factory Size (Sq.meters): 5,000-10,000 square meters  
Number of Production Lines: 7  
Number of R&D Staff: 11 - 20 People  
Number of QC Staff: 21 - 30 People  
Management Certification: ISO9001  

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