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IEC 61249-2-31:2009 ED1

Materials for printed boards and other interconnecting structures - Part 2-31: Reinforced base materials, clad and unclad - Halogenated modified or unmodified resin system, woven E-glass laminate sheets of defined relative permittivity (equal to or less than 4,1 at 1 GHz) and flammability (vertical burning test), copper-clad

Feb 11, 2009

General information

60.60     Feb 11, 2009

IEC

TC 91

International Standard

31.180  

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Scope

IEC 61249-2-31:2009 specifies requirements for properties of modified epoxide woven E-glass laminate sheet of a thickness of 0,05 mm up to 3,2 mm, of defined flammability (vertical burning test), copper-clad. The glass transition temperature is defined to be 150 °C minimum. The relative permittivity is equal to or less than 4,1 and the dissipation factor is equal to or less than 0,0120 at 1 GHz.

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PUBLISHED
IEC 61249-2-31:2009 ED1
60.60 Standard published
Feb 11, 2009