JIYE Glass
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Borosilicate Glass3.3
Lighting Glass
Pharmaceutical Glass
Scientific glass
Lathe

Tel:
Fax:
Email:
0086-10-84782096
0086-10-84782130-801
jiyeglass@jiyeglass.com

Lead Free Glass Tubing

Property

Chemical & Physical Property
Data
Soften Point
675±10℃
Annealing Point
485±10℃
Heat Stability
≥120℃
When the Mass resistance is 100MΩ.cm,temperature of TK-100
≥240
Density
2.63±0.05
Anti-water Class
Thermal Expansion Coefficient
9.2×10-7℃ (25-380℃)
Strain Point
455℃
Working Point
1020℃
Melting Point
1490℃
Specific Gravity
2.62 g/cm3 (at 20℃)

 

 Chemical Composition  

 
SiO2
68 %
Al2O3
3.4 %
Na2O
7 %
K2O
5 %
BaO
9 %

 Specification List

O.D.
Windage
Roundness
D
Windage
Wall Windage
L
Camber
6.0
±0.2
<0.2
0.8
±0.05
<0.10
1000
<2
10.0
1.0
12.0
15.0
±0.3
1.2
±0.06
18.0
±0.35
1.3
±0.08