Pioneer in plastics

Font

General properties of Epoxy Resin Multilayer PWB Materials SUMILITE® ELC

Test ItemMeasuring MethodUnitGlass Epoxy Multi-layer Materials
ELC-4765 (UV type)ELC-4768
FR-4-
Coefficient of
thermal expansion
CTE X (α1)10ºC/minppm/ºC1414
CTE Y (α1)1616
CTE Z (α1)6545
CTE Z (α2) 270250
Glass Transition TemperatureTMA10ºC/minºC135125
DMA5ºC/min150150
DSC20ºC/min145135
Solder heat resistanceD-2/100
260ºCdip20"
-No blister nor delaminationNo blister nor delamination
PCT-2/121
260ºCfloat120"
No blister nor delaminationNo blister nor delamination
Peel strength18μmAkN/m1.41.0
S-20"/2601.31.0
Flexural strengthMachine DirectionAMPa620640
Cross DirectionA460480
Flexural modulusMachine DirectionAGPa1618
Cross DirectionA1516
Tensil strength *Machine DirectionAMPa260330
Cross DirectionA250250
Tensil modulus *Machine DirectionAGPa1616
Cross DirectionA1515
Dielectric constant1MHzA-4.75.5
1GHzA
Resonant cavity
4.54.8
Dissipation factor1MHzA-0.0180.014
1GHzA
Resonant cavity
0.0140.015
Volume resistivityAΩ•cm5E+155E+15
C-96/40/901E+151E+15
Surface resistanceAΩ1E+151E+15
C-96/40/902E+142E+14
Water absorptionE-24/50+D-24-23%0.100.10
Flame resistanceUL-94V--94V-094V-0
Thermal conductivityLaser flash method-W/mK0.400.68

Remark

  • The data mentioned above is not guaranteed value but representative one.
  • *Test piece: 0.1mmt