DIN EN 61249-2-27-2013 印制板和其它互连结构用材料. 第2-27部分:包被和非包被增强基材. 规定的易燃性包铜的双马来酰亚胺/三嗪改良型非卤代环氧编织玻璃纤维层压板 (垂直燃烧试验) (IEC 61249-2-27-2012); 德文版本EN 61249-2-27-2013
Materials for printed boards and other interconnecting structures - Part 2-27: Reinforced base materials clad and unclad - Bismaleimide/triazine modified with non-halogenated epoxide woven glass laminate sheets of defined flammability (vertical burning te