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China clear high borosilicate 3.3 glass rod(bar) medium size
China clear high borosilicate 3.3 glass rod(bar) medium size

Minimum Order: 0
Quality/Safety Certification: 0.00


Diameter: 6-42 mm
Length: Below 2500mm
Heat resistant
Suit for super quality architectural lamps,Decorative glass

 

Glass Rod(Bar) Introduction

3.3 high borosilicate glass performance and usage introduction

Raw material we imported from Europe 

 

High borosilicate glass is one kind of special glass which has first class level of hydrolysis

 resistance performance, widely used in laboratory and chemical plants, in recent years

 in the solar heating device on the application have developed rapidly.

Advantages

3.3 High borosilicate glass product has known as chemical stability, high voltage, resistance 

to thermal shock and excellent processing performance characteristics.

Quality

We adopt advanced platinum molding production technology to produce 3.3 High borosilicate glass tube,

 capillary, bar(rod). high borosilicate 3.3 (DIN ISO3585) are recognized in the world. The production 

process of every step has strict quality control, and through ISO9001 quality authentication.

Feature:Heat-resistant,acid-resistant,alkali-resistant

Specifications

3.3 High borosilicate Glass Rod(Bar)
1) Diameter: 6mm to 42 mm
2) Length: below 2500mm,Normal:1200/1500mm
3.3 High borosilicate Glass Rod(Bar) main chemical content:

Main composition:
1) SiO2: 80± 0.5%
2) B2O3: 13± 0.2%
3) Al2O3: 2.4± 0.2%
4) Na2O(+K2O): 4.3± 0.2%


3.3 Borosilicate Glass Rod(Bar)

Physical Property

No.

Physical performance

Numerical Value

Unit

1

Coefficient of mean linear thermal expansion(20°C,300°C)

3.3±0.1

10-6K-1

2

Transformation temperature

525±15

°C

3

Softening point

820±10

°C

4

Working point

1260±20

°C

5

Density at 20°C

2.23±0.02

g/cm3

6

Mean thermal conductivity(20°C-100°C)

1.2

w/m2k

7

Refractive index

0.92

1

Application:Suit for super quality architectural lamps,Decorative glass

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