BS EN 61249-2-40-2013 印制板和其它互连结构用材料.包被和非包被增强基材.规定了易燃性包铜或无铅装配的高性能非卤代环氧编织E型玻璃纤维增强层压板(垂直燃烧试验)
Materials for printed boards and other interconnecting structures. Reinforced base materials clad and unclad. High performance, non-halogenated epoxide woven E-glass laminate sheets of defined flammability (vertical burning test), copper-clad for lead-fre