EN 60674-3-2-1998 电工用塑料薄膜规范.第3部分:单项材料规范.表2:用于电气绝缘的平衡双轴定向PEP薄膜的要求
Specification for Plastic Films for Electrical Purposes Part 3: Specifications for Individual Materials Sheet 2: Requirements for Balanced Biaxially Oriented Polyethylene Terephthalate (PET) Films Used for Electrical Insulation