Transformer oil, low temperature switchgear oil (HS code(s): 271019); (ICS code(s): 75.140)

National Standard of the P.R.C., Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear; (28 page(s), in Chinese)

This document specifies the terms and definitions, classification and marking, requirements and test methods, inspection rules and labeling, packaging, transportation, and storage of unused mineral insulating oils. This document applies to unused mineral insulation oils containing and without additives obtained from petroleum fractions as raw materials and refined for transformers, switches, and similar electrical equipment that require oil as insulation and heat transfer media. The oil used for the generator can refer to this document.