Mica tape, high in ventilation performance and with little glue, suitable for pure epoxy VPI insulating resin and preparation method thereof

The invention relates to mica tape, high in ventilation performance and with little glue, suitable for pure epoxy VPI insulating resin and a preparation method thereof. The mica tape comprises a mica paper layer, a reinforcing material layer, and an adhesive agent layer. The adhesive agent layer is composed of powder adhesion agents distributed, in a point shape, on the interface of the mica paper layer and the interface of the reinforcing layer. A large number of pore channels exist between powder adhesion agents distributed in the point shape. The powder adhesion agents are epoxy hardeners. The mica tape high in ventilation performance and with little glue further comprises latent epoxy curing accelerators distributed in the mica paper layer, the reinforcing material layer and the pore channels. No chemical reaction of the epoxy hardeners and the latent epoxy curing accelerators occurs under 110 DEG C, and the the epoxy hardeners and the latent epoxy curing accelerators can not dissolve and enter the pure e