25/30510987 DC
Draft BS EN 61249-2-55 Materials for printed boards and other interconnecting structures. Part 2-55. Reinforced base materials clad and unclad. Non-halogenated modified or unmodified resin system, woven E-glass laminate sheets of defined dissipation factor (less than 0,005 at 10 GHz) and flammability (vertical burning test), copper-clad