This standard applies to insulating hoses mainly used for conductor and wiring insulation of electrical equipment, including heat shrinkable tubes. Certain types of hose are also suitable for combining several insulated wires together.
GB/T 7113-2003 history
2014GB/T 7113.1-2014 Flexible insulating sleeving.Part 1:Definitions and general requirements
2003GB/T 7113-2003 Flexible insulating sleeving Definitions and general requirements