GB 1913.1-1990 is the national standard for unbleached impregnated insulating paper, which clearly stipulates the technical requirements, test methods, inspection rules and Encasement, marking, transportation and storage of unbleached impregnated insulating paper. Appearance, quantification, thickness, tensile strength, water-absorption and other performance indicators of paper are stipulated to provide technical guidelines for the production, inspection and mass control of unbleached impregnated insulating paper to ensure that products meet the needs of insulation use.
| Status | Abolish |
|---|---|
| CCS | Y32 | ICS |
| Release Date | 1980-04-01 00:00:00 | Implementation Date | 1991-10-01 00:00:00 |