Shandong HonHai Industrial Co., Ltd.
Home
About us
Products
Trade Fair
Contact
Product Line
Borosilicate Glass
Boro 33 Clear Tube
Boro 33 Clear Rod
Boro 33 Special Shape Glass
Boro 33 Color Tube ＆ Rod
Boro 40 Glass Tube
Gaug ＆ Sight Glass
Boro Lampwork Products
Borosilicate Float Glass
Boro 33 Float Glass
Boro Fireproof Glass
Pharmaceutical Glass Package
Neutral Glass Tube USP Type I （COE 50）
Neutral Glass Tube USP Type I （COE 70）
Glass Vial
Glass Vial With Screw Neck
Cartridge
Glass Dropper
Glass Syringes
Glass Ampoule
Lighting Glass
Soda Lime Glass Tube
Lead Glass Tube
Lead Free Glass Tube
Hard Glass Shell
Search products
advanced search
total categories
-Borosilicate Glass
|-Boro 33 Clear Tube
|-Boro 33 Clear Rod
|-Boro 33 Special Shape Glass
|-Boro 33 Color Tube ＆ Rod
|-Boro 40 Glass Tube
|-Gaug ＆ Sight Glass
|-Boro Lampwork Products
-Borosilicate Float Glass
|-Boro 33 Float Glass
|-Boro Fireproof Glass
-Pharmaceutical Glass Package
|-Neutral Glass Tube USP Type I （COE 50）
|-Neutral Glass Tube USP Type I （COE 70）
|-Glass Vial
|-Glass Vial With Screw Neck
|-Cartridge
|-Glass Dropper
|-Glass Syringes
|-Glass Ampoule
-Lighting Glass
|-Soda Lime Glass Tube
|-Lead Glass Tube
|-Lead Free Glass Tube
|-Hard Glass Shell
Borosilicate clear glass rod
Technical Data:
Physical Property
No.
Physical performance
Numerical Value
Unit
1
Coefficient of mean linear thermal expansion(20℃,300℃)
3.3±0.1
10-6K-1
2
Transformation temperature
525±15
℃
3
Softening point
820±10
℃
4
Working point
1260±20
℃
5
Density at 20℃
2.23±0.02
g/cm3
6
Mean thermal conductivity(20℃-100℃)
1.2
w/m2k
7
Refractive index
0.92
1
Main Composition
SiO2
B2O3
Na2O+K2O
Al2O3
81
13
4
2
Chemical Property
Hydrolytic resistance at 98℃
ISO719-HGB 1
Hydrolytic resistance at 121℃
ISO720-HGA 1
Acid resistance Class
ISO1776-First Class
Solid Rod
Size(mm)
Diameter
Deviation
Roundness
Straightness
4
±0.30
0.30
3‰
6
±0.30
0.30
3‰
7
±0.30
0.30
3‰
8
±0.40
0.40
3‰
9
±0.40
0.40
3‰
10
±0.40
0.40
3‰
11
±0.50
0.50
3‰
12
±0.50
0.50
3‰
14
±0.60
0.60
3‰
16
±0.70
0.70
3‰
18
±0.80
0.80
3‰
20
±0.90
0.90
3‰
22
±1.10
1.10
3‰
24
±1.20
1.20
3‰
26
±1.30
1.30
3‰
28
±1.40
1.40
3‰
30
±1.50
1.50
3‰
32
±1.70
1.70
3‰
We also can manufacture customized sizes.
(C) Shandong HonHai Industrial Co., Ltd.（ICP No. 05021350) Tel: 86-531-86296009 Fax: 86-531-86900435
