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| Borosilicate Clear Glass Tube |
| 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 |
| Glass Tubing |
| Size(mm) |
| OD |
Wall Thickness(Thin) |
Wall Thickness(Thin) |
Wall Thickness(Medium) |
Wall Thickness(Heavy) |
Wall Thickness(Super Heavy) |
| *4±0.4 |
0.5±0.1 |
0.8±0.1 |
|
| *5±0.4 |
0.5±0.1 |
0.8±0.1 |
|
| 6±0.4 |
0.5±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
|
| 7±0.4 |
0.5±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
|
| 8±0.4 |
0.6±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
|
| 9±0.4 |
0.6±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
|
| 10±0.4 |
0.6±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
2.5±0.3 |
| 11±0.4 |
0.6±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
2.5±0.3 |
| 12±0.4 |
0.6±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
2.5±0.3 |
| 13±0.4 |
0.6±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
2.5±0.3 |
| 14±0.4 |
0.6±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
2.5±0.3 |
| 15±0.4 |
0.6±0.1 |
1±0.1 |
1.5±0.2 |
2±0.2 |
2.5±0.3 |
| 16±0.4 |
0.7±0.1 |
1.2±0.2 |
1.8±0.2 |
2.4±0.2 |
3±0.3 |
| 17±0.4 |
0.7±0.1 |
1.2±0.2 |
1.8±0.2 |
2.4±0.2 |
3±0.3 |
| 18±0.4 |
0.7±0.1 |
1.2±0.2 |
1.8±0.2 |
2.4±0.2 |
3±0.3 |
| 19±0.4 |
0.7±0.1 |
1.2±0.2 |
1.8±0.2 |
2.4±0.2 |
3±0.3 |
| 20±0.5 |
0.8±0.1 |
1.2±0.2 |
1.8±0.2 |
2.4±0.2 |
3±0.3 |
| 21±0.5 |
0.8±0.1 |
1.2±0.2 |
1.8±0.3 |
2.4±0.3 |
3±0.3 |
| 22±0.5 |
0.8±0.1 |
1.2±0.2 |
1.8±0.4 |
2.4±0.3 |
3±0.3 |
| 23±0.5 |
0.8±0.1 |
1.2±0.2 |
1.8±0.5 |
2.4±0.3 |
3±0.3 |
| 24±0.5 |
0.8±0.1 |
1.2±0.2 |
1.8±0.6 |
2.4±0.3 |
3±0.3 |
| 25±0.5 |
0.8±0.1 |
1.2±0.2 |
1.8±0.7 |
2.4±0.3 |
3±0.3 |
| 26±0.5 |
0.9±0.1 |
1.4±0.2 |
2±0.2 |
2.6±0.3 |
3.2±0.3 |
| 27±0.5 |
0.9±0.1 |
1.4±0.2 |
2±0.2 |
2.6±0.3 |
3.2±0.3 |
| 28±0.5 |
0.9±0.1 |
1.4±0.2 |
2±0.2 |
2.6±0.3 |
3.2±0.3 |
| 29±0.5 |
0.9±0.1 |
1.4±0.2 |
2±0.2 |
2.6±0.3 |
3.2±0.3 |
| 30±0.8 |
1.0±0.2 |
1.4±0.2 |
2±0.2 |
2.6±0.3 |
3.2±0.3 |
| 32±0.8 |
1.0±0.2 |
1.4±0.2 |
2±0.2 |
2.6±0.3 |
3.2±0.3 |
| 34±0.8 |
1.0±0.2 |
1.4±0.2 |
2±0.2 |
2.6±0.3 |
3.5±0.3 |
| 36±0.8 |
1.0±0.2 |
1.4±0.2 |
2±0.2 |
2.8±0.3 |
3.5±0.3 |
| 38±0.8 |
1.0±0.2 |
1.4±0.2 |
2±0.2 |
2.8±0.3 |
3.5±0.3 |
| 40±1.0 |
1.2±0.2 |
1.6±0.2 |
2.3±0.2 |
3.0±0.3 |
3.5±0.4 |
| 42±1.0 |
1.0±0.2 |
1.6±0.2 |
2.3±0.2 |
3.0±0.3 |
3.5±0.4 |
| 44±1.0 |
1.2±0.2 |
1.6±0.2 |
2.5±0.3 |
3.0±0.3 |
3.5±0.4 |
| 46±1.0 |
1.2±0.2 |
1.6±0.2 |
2.5±0.3 |
3.2±0.3 |
3.8±0.4 |
| 48±1.0 |
1.2±0.2 |
1.6±0.2 |
2.5±0.3 |
3.2±0.3 |
3.8±0.4 |
| 50±1.0 |
1.4±0.2 |
1.8±0.2 |
2.5±0.3 |
3.5±0.3 |
3.8±0.4 |
| 52±1.0 |
1.4±0.2 |
1.8±0.2 |
2.5±0.3 |
3.5±0.3 |
4±0.4 |
| 54±1.0 |
1.4±0.2 |
1.8±0.2 |
2.5±0.3 |
3.5±0.3 |
4±0.4 |
| 56±1.0 |
1.4±0.2 |
1.8±0.2 |
2.5±0.3 |
3.5±0.3 |
4.2±0.4 |
| 58±1.0 |
1.4±0.2 |
1.8±0.2 |
2.5±0.3 |
3.5±0.3 |
4.2±0.4 |
| 60±1.5 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
4.2±0.4 |
| 62±1.5 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
4.5±0.5 |
| 64±1.5 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
4.5±0.5 |
| 66±1.5 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
5.3±0.5 |
| 68±1.5 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
5.3±0.5 |
| 70±1.5 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
5.3±0.5 |
| 72±1.5 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
5.3±0.5 |
| 74±1.5 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
5.3±0.5 |
| 76±1.5 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
5.3±0.5 |
| 78±1.6 |
1.6±0.2 |
2.2±0.3 |
3.2±0.4 |
4.2±0.5 |
5.3±0.5 |
| 80±1.8 |
1.8±0.2 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 82±1.8 |
1.8±0.2 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 84±1.8 |
1.8±0.2 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 86±1.8 |
1.8±0.3 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 88±1.8 |
1.8±0.3 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 90±1.8 |
1.8±0.3 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 92±1.8 |
1.8±0.3 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 94±1.8 |
1.8±0.3 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 96±1.8 |
1.8±0.3 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 98±1.8 |
1.8±0.3 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 100±1.8 |
1.8±0.3 |
2.5±0.3 |
3.5±0.4 |
5±0.6 |
6.3±0.6 |
| 105±1.8 |
2.5±0.3 |
3±0.4 |
3.5±0.4 |
7±0.8 |
8.5±0.8 |
| 110±2.0 |
2.5±0.3 |
3±0.5 |
5±0.7 |
7±0.8 |
8.5±0.8 |
| 115±2.0 |
2.5±0.3 |
3±0.5 |
5±0.7 |
7±0.8 |
8.5±0.8 |
| 120±2.0 |
2.5±0.3 |
3±0.5 |
5±0.7 |
7±0.8 |
8.5±0.8 |
| 125±2.0 |
|
3±0.6 |
5±0.7 |
7±0.9 |
8.5±0.8 |
| 130±2.0 |
|
3±0.6 |
5±0.7 |
7±0.9 |
9±0.9 |
| 135±2.0 |
|
3±0.6 |
5±0.7 |
7±0.9 |
9±0.9 |
| 140±2.0 |
|
3±0.6 |
5±0.7 |
7±0.9 |
9±0.9 |
| 145±2.0 |
|
3±0.6 |
5±0.7 |
7±0.9 |
9±0.9 |
| 150±2.0 |
|
3±0.6 |
5±0.7 |
7±0.9 |
9±1.0 |
| 155±2.8 |
|
5±0.7 |
7±0.9 |
9±1.0 |
| 160±2.5 |
|
5±0.8 |
7±1.0 |
9±1.0 |
| 165±2.5 |
|
5±0.8 |
7±1.0 |
9±1.0 |
| 170±2.8 |
|
5±0.8 |
7±1.0 |
9±1.1 |
| 175±2.5 |
|
5±0.8 |
7±1.0 |
9±1.1 |
| 180±2.5 |
|
5±0.8 |
7±1.0 |
9±1.2 |
| 185±3.0 |
|
5±0.9 |
7±1.0 |
9±1.2 |
| 190±3.0 |
|
5±0.9 |
7±1.0 |
9±1.2 |
| 195±3.0 |
|
5±1.0 |
7±1.0 |
9±1.2 |
| 200±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 205±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 210±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 215±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 220±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 225±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 230±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 235±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 240±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 245±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 250±3.0 |
|
5±1.0 |
7±1.1 |
9±1.3 |
| 255±3.0 |
|
5±1.0 |
7±1.1 |
9±1.4 |
| 260±3.0 |
|
5±1.0 |
7±1.1 |
9±1.4 |
| 265±3.0 |
|
5±1.0 |
7±1.1 |
9±1.4 |
| 270±3.0 |
|
5±1.0 |
7±1.1 |
9±1.4 |
| 275±3.0 |
|
5±1.0 |
7±1.1 |
9±1.4 |
| 280±3.0 |
|
5±1.0 |
7±1.1 |
9±1.4 |
| 285±3.0 |
|
5±1.0 |
7±1.1 |
9±1.4 |
| 290±3.0 |
|
5±1.0 |
7±1.2 |
9±1.4 |
| 295±3.0 |
|
5±1.0 |
7±1.2 |
9±1.4 |
| 300±3.0 |
|
5±1.0 |
7±1.2 |
9±1.4 |
| We also can manufacture customized sizes. |
| Standard Length:1500±10(mm) |
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