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Materials for printed boards and other interconnecting structures - Part 2-45: Reinforced base materials clad and unclad - Non-halogenated epoxide non-woven/woven E-glass reinforced laminate sheets of thermal conductivity 1,0 W/(mยK) and defined flammability (vertical burning test), copper-clad for lead-free assembly
Materials for printed boards and other interconnecting structures - Part 2-45: Reinforced base materials clad and unclad - Non-halogenated epoxide non-woven/woven E-glass reinforced laminate sheets of thermal conductivity 1,0 W/(mยทK) and defined flammability (vertical burning test), copper-clad for lead-free assembly.
IEC 61249-2-45:2018(E) gives requirements for properties of non-halogenated epoxide non-woven reinforced core/woven E-glass reinforced surface laminate sheets of thermal conductivity and defined flammability (vertical burning test), copper-clad for lead-free assembly in thicknesses of 0,60 mm up to 1,70 mm.
The flammability rating is achieved through the use of non-halogenated fire retardants reacted as part of the epoxide polymeric structure.
The glass transition temperature is defined to be 105 ยฐC minimum.
Thermal conductivity is defined to be (1,0 ยฑ 0,15) W/(mโขK).
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