China Class F Prepreg for Dry Transformers (Class F DMD prepreg), Find details about China Class F Prepreg for Dry Transformers, Class F DMD Prepreg from Class F Prepreg for Dry Transformers (Class F DMD prepreg)
No. | Performance | Unit | Requirements | |||||
1 | Nominal thickness | mm | 0.15 | 0.18 | 0.20 | 0.25 | 0.30 | 0.40 |
2 | Deviation of thickness | mm | ±0.02 | ±0.02 | ±0.03 | ±0.03 | ±0.03 | ±0.04 |
3 | Tensile strength Lengthways no bending | N/10mm | ≥70 | ≥70 | ≥80 | ≥80 | ≥100 | ≥100 |
4 | Soluble resin content | g/ | ≥45 | |||||
5 | Volatile content | % | ≤1.5 | |||||
6 | Breakdown voltage | kV | ≥7.0 | ≥8.0 | ≥10.0 | |||
7 | Tensile shear strength | MPa | ≥3.0 | |||||
8 | Temperature exponent | - | ≥155 | |||||
:(0.11mm,0.12mm,0.13mm,0.14mm0.16mm) ,. Remarks: Other specification of products (for example: 0.11mm,0.12mm,0.13mm,0.14mm and 0.16mm) or special requirements from users, the supply can be negotiated according to the user's needs. :10mm~1400mm; Supply width: 10mm~1400mm; |
Curing temperature | Time |
80ºC→120ºC/120ºC | 0.5h/1h~2h |
120ºC→150ºC/150ºC | 0.5h~1h/4h~8h |
150ºC→120ºC/120ºC | 1h/1h~2h |
120ºC→80ºC/80ºC | 0.5h/1h |
Remarks: Due to diversity of production and application of each transformer plant, the above data can be adjusted according to the actual situation of the manufacturer and the size of the workpiece. |