NEMA CG 2-2004涵盖了与电气工业中使用的粉末石墨(通常小于75微米)材料特性相关的物理和化学特性的术语和测试方法。
NEMA CG 2-2004 covers terminology and test methods for those physical and chemical properties relevant to the material characterization of powdered graphite, generally less than 75 microns, used in the electrical industry.