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Item | Unit | Test Condition | Specification | Test Result | |
Copper thickness | OZ | 1~2oz | |||
Aluminum thickness | mm | 0.6/ 0.8/ 1.0/1.2/ 1.5/ 1.6/ 2.0/3.0 | |||
Standard size | mm | 37''*49'', 41''*49'', 43 ''*49'' | |||
Appearance of substrate | -- | A4 | Compli with grading standards | PASS | |
Thermal Stress | Sec | 288℃/10s | No delamination | No delamination | |
Glass Transition(Tg) | ℃ | DSC | 110≥5℃ | 135.6℃ | |
Dielectric Breakdown | KV | D-48/50+D-0.5/23 | ≥40 | 45 | |
Arc Resistance | Sec | D-48/50+D-0.5/23 | ≥60 | 65 | |
Dielectric Strength(1MHz) | -- | C-40/23/50 | ≤5.4 | 4.7 | |
Dielectric loss(1MHz) | -- | C-40/23/50 | ≤0.035 | 0.015 | |
Flexural Strength | N/m㎡ | Lengthwise A4 | ≥415 | 525 | |
N/m㎡ | Crosswise A4 | ≥345 | 413 | ||
Peel Strength | N/mm | 35um 288℃,10Sec | ≥1.40 | 1.61 | |
PPM | Lengthwise E-4/105 | ±300 | NA | ||
Crosswise E-4/105 | ±300 | NA | |||
Surface resistivity | MΩ | After moisture resistance | ≥10 4 | 3.27*10 6 | |
Volume resistivity | MΩ--cm | After moisture resistance | ≥10 6 | 4.38*10 7 | |
Breakdown Voltage | kv | IPC TM-650 2.5.6 | ≥3 | ≥5 | |
Water absorption | % | E-1/105+D-24/23 | ≤0.35 | ≤0.12 | |
Relative tracking index of leakage | V | IEC60112 | 175-250 | 200 | |
Flame resistance | -- | E-24/125 | -- | -- | |















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