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



Introduction of epoxy prepreg DMD


       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.

Product index of epoxy prepreg


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