What is the impregnation of insulating paper?

The impregnated insulating paper is an epoxy fiberglass tube for pressing the laminated product after impregnating the resin. The impregnated insulating paper is divided into a sulphate wood pulp paper and a sulfite wood pulp paper according to the use of the EPGC202. Impregnated insulating paper is the biggest feature is a good impregnation, the height of its absorption is the highest insulation paper, impregnated polyimide glass fiber was neutral.