- Contact Person : Mr. Guo Tony
- Company Name : Beijing New Friend Insulation Material Co., Ltd.
- Tel : 0086-10-81503682
- Fax : 0086-10-81503683
- Address : Beijing,Beijing,No.7, Xingguang 5th Street, Tongzhou Park, OPTO-Mechatronics Industrial Park, Science & Technology Park, Zhongguan Village
- Country/Region : China
- Zip : 101111
G7 Tube(Organic silicon laminated glass cloth tube)
No | PROPERTIES | UNIT | STANDARD VALUE | |
1 | Flexural strength perpendicular to lamination | Mpa | ≥280 | |
2 | Notch Impact strength parallel to lamination (charpy) | KJ/m2 | ≥50 | |
3 | Dielectric strength perpendicular to lamination (in transformer oil 90±2°C) | KV/mm | ≥10 | |
4 | Dilectric break down perpendicular to laminations(in transformer oil, 90 °C, less than 2mm in thickness) | KV | ≥9 | |
5 | dielectric coefficient(50Hz) | --- | ≤5.5 | |
6 | Volume resistivity | Normal | Ω.m | ≥1.0X1010 |
7 | After the damp | ≥1.0X109 | ||
8 | Thermal rating | grade | H | |
9 | Water absorption | Mg | 28~85 | |
10 | Dielectric break down parallel to laminations((in transformer oil, 90 °C +2°C/1min) | kV | ≥30 | |
11 | Insulation resistance parallel to laminations(after impregnated in water) | Ω | ≥1.0 X 108 | |
12 | loss factor(1 MHz,after impregnated in water) | —— | ≤0.05 | |
G7 Tube(Organic silicon laminated glass cloth tube)
