| ITEM |
UNIT |
VALUE |
|
PEEL STRENGTH AT NORMAL CONDITION: AFTER 5s HEAT SHOCK |
N/M |
MIN: 1.0 |
|
BLISTERING TEST AFTER 10s HEAT SHOCK |
|
MIN:1.0 NO OBVIOUS BLISTER OR DELAMINATION |
|
PUNCHING PROPERTY |
|
COLD-PUNCHING |
|
HEATPROOF AFTER 60MIN AT 130+/-20CAIR |
|
NO OBVIOUS BLISTER NO COPPER FOIL PEEL |
|
COPPER FOIL RESISTANCE |
MΩ |
MAX: 3.5 |
|
VOLUME RESISTIVITY AT NORMAL CONDITION: AFTER RECOVERY THROUGH STEADY HEAT/HUMIDITY TREATMENT: |
MΩ |
MIN: 5.0x105 MIN: 50.x104 |
|
SURFACE RESISTANCE AT NORMAL CONDITION: AFTER RECOVERY THROUGH STEADY HEAT/HUMIDITY TREATMENT: |
|
ON ETCHING COPPER FOIL SIDE MIN: 1.0x104
MIN: 1.0x103 |
ON LAMINATING SIDE: MIN: MIN: 1.0x103
MIN: 1.0x103 |
|
INSURANCE RESISTANCE AT NORMAL CONDITIONS: AFTER BOILING IN WATER |
|
MIN: 5.0x103
MIN: 1.0x10 |
|
DIELECTRIC DISSIPATION FACTOR AT NORMAL CONDITION: AFTER IMMERSING IN WATER |
|
MAX: 0.01
MAX: 0.05 |
|
PERMITIVITY AT NORMAL CONDITION: AFTER IMMMERSING IN WATER |
|
MAX: 5.5
MAX: 6.0 |
|
LAMINATES PROPERSING ETCHED COPPER FOIL |
mpa |
|
|
FLEXURAL STRENGTH TRICHL OROETHYLEN AND ALKAI RESISTANCE |
|
MIN: 100
APPERANCE NO OBVIOUS VARIETY |
|
FALLING BALL IMPACT |
cm |
MIN: 5 |
|
WATER ABOSORPTION |
% |
MAX: 1.8 |
