Test Item  Measuring method  Unit  ALC1331 （Insulation layer120μｍ） 
ALC1371 （Insulation layer120μｍ） 


Coefficent of thermal expansion  CTE (α1)  ppm  15  14  
CTE (α2)  52  49  
Glass Transition Temperature  TMA  10ºC/min  ºC  100  130 
DMA  5ºC/min  100  130  
Breakdown Voltage  A  kV  >10  >10  
E1000/125  >10  >10  
65ºC 30min⇔125ºC 30min 1000cycle 
>10  >10  
Breakdown Voltage  A  7  6.5  
Solder heat resistance  S30"/288dip    Nondelamination  Nondelamination  
S120"/300float  
Peel strength  35μm  A  kN/m  1.5  1.7 
E1000/125  1.4  1.6  
Moisture/reflow sensitivity  40ºC 90% 5weeks    Nondelamination  Nondelamination  
260ºC max reflow  
Dielectric constant  A    7.2  7.6  
D24/23  7.7  7.8  
Dissipation Factor  A    0.014  0.010  
D24/23  0.025  0.012  
Volume resistivity  A  Ω•cm  3E+15  1.00E+16  
C96/40/90  6E+13  2.00E+14  
Surface resistivity  A  Ω  3.00E+15  2.10E+15  
C96/40/90  1.00E+14  1.20E+14  
Water absorption  85ºC 85% 336hr  %  0.3  0.3  
Antitracking  A  v  >600  >600  
Flame resistance  UL94V      V0  V0 
Thermal conductivity  Laser flash method    W/mk  3.0  7.0 
Remark
 The data mentioned above is not guaranteed value but representative one.