Historical
IEC 60819-3-3 Ed. 1.0 b:1991
Specification for non-cellulosic papers for electrical purposes - Part 3: Specifications for individual materials - Sheet 3: Unfilled aramid (aromatic polyamide) papers
Specifies requirements for three types of unfilled aramid paper; calender paper, calendered paper, with improved tearing resistance and comformability, uncalendered paper.
International Electrotechnical Commission [iec]