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- Contact Person : Mr. Yen Frank
- Company Name : Jinan HonHai Industrial Company Limited
- Tel : 86-531-86906693
- Fax : 86-531-86900435
- Address : Shandong,Jinan,ROOM 331, SHENGKAI FORTUNE PLAZA, NO. 29 LUOYUAN STREET, JINAN , SHANDONG P.R.CHINA
- Country/Region : China
- Zip : 250012
Borosilicate square rod
Product Detailed
Related Categories:Glass
Borosilicate square rod, glass rod, square rod
1.Borosilicate square rod
2.OD from 4mm-50mm
| 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 |
| Main Composition | |||
| SiO2 | B2O3 | Na2O+K2O | Al2O3 |
| 81 | 13 | 4 | 2 |
| Chemical Property | |
| Hydrolytic resistance at 98°C | ISO719-HGB 1 |
| Hydrolytic resistance at 121°C | ISO720-HGA 1 |
| Acid resistance Class | ISO1776-First Class |
Borosilicate square rod