PROJECT
IEC 61249-2-54 ED1
40.99
Full report circulated: DIS approved for registration as FDIS
May 8, 2026
Materials for printed boards and other interconnecting structures - Part 2-54: Reinforced base materials clad and unclad - 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 for high speed applications
40.60 Close of voting