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Product Detail:

1. Chemical composition:

SiO2>78%

B2O3>10%

2. Physical and Chemical Properties:

Coefficient of expansion             (3.3±0.1)×10-6/°C

Density                                                 2.23±0.02

Water resistant                                    Grade 1

Acid resistance                                    Grade 1

Alkaline resistance                             Grade 2

Softening point                                    820±10°C

Thermal shock performance             ≥125

Maximum working temperature         450°C

Tempered max. working temperature   650°C

3. Main Technical Parameters:

Melting point                                  1680°C

Forming temperature                    1260°C

Softening temperature                   830°C

Annealing temperature                  560°C

We supply borosilicate glass tubes in many different sizes, outside diameter from 3mm to 315mm, wall thickness from 1mm to 10mm 

Application :

1. Glass tubes used in laboratory

2. Glass tubes used in chemical industry, petrochemical industry, biochemical pharmaceutic, military industry, metallurgy, water treatment and so on.

3. Glass tubes used as decoration

4. Glass tubes used in gardening

5. Glass tubes used in renewable energies

6. Glass tubes used in light.

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