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Production: Polymer Resin and fiber glass yarn
Dry type transformer FRP Dogbone specification:
1).it is class F and H insulation material.
2).size: 8x6mm, 10x8mm, 10x10mm, 12x10mm, 12x12mm, 13x10mm, 14x10mm etc.
3).High mechanical strength
4).Excellent electrical isolation
3.color: white, red etc.
4. Dry type transformer FRP Dogbone Application:
Mainly use for dry-transformers,Inductor,and motor wedges etc
Insulation strips for dry transformer SpecificationProperties | Unit | Standard | Specified value | Obtained value |
Water absorption | % | ASTM-D 570-81 | 0.2 MAX. | 0.007 |
Sp. Gravity at 270 c | ASTM-D 792-91 | 2 2 | 2.2 | |
Sp. Gravity at 270 c | Kg/ cm2 | ASTM-D 638-91 | 7500 | 10715 |
Impact strength | KJ/m2. | ASTM-D 256-2003 | 400 min | >408 |
Arc resistance,sec | ASTM-D-495-99 | 186 | ||
Compressive strength(axial) | Kg/cm2. | ASTM-D 695-91 | 4000 | 6248 |
Flexural strength | Kg/cm2 | ASTM-D 349-78 | 5000 | 9550 |
Comparative tracking index | CTI VOLTS | IES 60112-2003 | 600 min | >600 |
Di-electric strength proof axial | KV / mm | ASTM-D 149-97a | 50 KV/25 min. | 66 |
Di-electric strength proof radial | KV/mm | ASTM-D 149-97a | 10 KV / MM | 15 |
Insulation resistance | ohms | ASTM-D 257-92 | 1 x 1010 | 1.9 x 1015 |
Martens heat distortion temperature | 0C | DIN 53462 1987 | MIN 200 | >210 |
Splitting resistance,n | IS10192-82, Appendix D | 4000 | 5346 | |
Glass content | % | BS-4994 1987 | 80 5 | 82 |