DIN EN 60371-3-4:2007
Specification for insulating materials based on mica - Part 3: Specifications for individual materials - Sheet 4: Polyester film-backed mica paper with a B-stage epoxy resin binder (IEC 60371-3-4:1992 + A1:2006); German version EN 60371-3-4:1995 + A1:2006