DIN EN 60455-3-4-2004 电绝缘用树脂基反应性复合物.第3部分:单项材料规范.活页4:加填料的聚氨酯复合物
Resin based reactive compounds used for electrical insulation - Part 3: Specifications for individual materials - Sheet 4: Filled polyurethane compounds (IEC 60455-3-4:2003); German version EN 60455-3-4:2003