Instlation preimpregnated composite products —
Product index of epoxy prepreg
Product Features：
The product is made from polyester film, polyester fiber nonwoven soft
composite material impregnated with F grade heat-resistant modified
resin
The product is made from polyester film, polyester fiber nonwoven soft composite material impregnated with F grade heat-resistant modified resin. The products are widely used in interlayer insulation of low voltage coils of dry type transformers, and can also be used for slot insulation and interphase insulation of F motors.
| Item | Property | Unit | Standard | ||||
| 1 | 标称厚度Thickness | ｍｍ | 0.16 | 0.18 | 0.2 | 0.23 | 0.25 |
| 2 | Thickness and tolerance | ｍｍ | ±０.０３０ | ±０.０３5 | |||
| 3 | （±10％）Content | ｇ／ｍm | 195 | 220 | 245 | 275 | 315 |
| 4 | Longitudinal unbending of tensile strength | Ｎ／１０ｍｍ | ≥４０ | ≥７０ | ≥８０ | ≥１００ | ≥１２０ |
| 5 | Electrical strength | ＭＶ／ｍ | ≥４０ | ||||
| 6 | Resin content | ％ | ３５±５ | ３０±５ | |||
| 7 | Volatile content | ％ | ≤１.５ | ||||
| 8 | Soluble resin content | ％ | ≥９０ | ||||
