General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 23312.4-2009
Scope
This part of GB/T 23312 specifies the general requirements for grade 155 enamelled round aluminum wire with a single paint layer based on polyester resin. Resins may be modified if the chemical properties of the original resin are preserved and all requirements specified for enameled wire are met. Grade 155 indicates a thermal grade, requiring a minimum temperature index of 155 and a thermal shock temperature of at least 175°C. The Celsius temperature corresponding to the temperature index is not the recommended temperature for magnet wire use, because it depends on many factors including the type of equipment used. The nominal diameter range of conductors stipulated in this part is: ——Class 1: 0.400mm and above and 1.600mm and below; ——Class 2: 0.400mm and above and 5.000mm and below. Refer to GB/T 23312.1-2009 for the nominal diameter of conductors Chapter 4.