Polyimide
Copper Clad Laminates (PI)
| item | Property to be tested and test Method |
Standard Value
(non-FR) |
Standard Value
(FR) |
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| 1 |
|
|
|
|||||||||
| 2 | Tensile
Strength, minimum lb./in |
24,000
|
24,000
|
|||||||||
| 3 | Elongation, minimum percent |
40
|
40
|
|||||||||
| 4 | Initiation tear strength, minimum gms |
500
|
300
|
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| 5 | Propagation tear strength, minimum gms,1 to 5 mils film thickness |
10
|
10
|
|||||||||
| 6 | Flexural endurance, minimum cycles |
In 2000
Out 1500 |
1800
1200 |
|||||||||
| 7 |
|
|
|
|||||||||
| 8 | Low temperature flexbility |
Pass
|
Pass
|
|||||||||
| 9 | Solder
float,IPC-TM-650-2.4.13 Method A Mothod B |
260℃Pass(EDHD) 288℃Pass(RA) |
260℃Pass(EDHD) 288℃Pass(RA) |
|||||||||
| 10 | Flammability, IPC-TM-650-2.3.8 |
--------
|
94V-0
|
|||||||||
| 11 | Chemical
Resistance percentage, Method A |
80
|
80
|
|||||||||
| 12 | Dielectric constant, maximum(at 1 MHz) |
3.50
|
3.51
|
|||||||||
| 13 | Dissipation factor, maximum(at 1 MHz) |
0.015
|
0.018
|
|||||||||
| 14 | Volume Resistivity,minimum megohms-cm |
107
|
109
|
|||||||||
| 15 | Surface resistance, minimum megohms |
105 |
105
|
|||||||||
| 16 | Dielectric
strength, minimum volts/mil, ASTM-D-149 |
3500
|
2500
|
|||||||||
| 17 | Insulation resistance, minimum,megohms, at ambient |
105
|
105
|
|||||||||
| 18 | Moisture and Insulation Resistance, minimum, megohms |
104
|
105
|
|||||||||
| 19 | Moisture Absorption, maximum, percent |
4.0
|
4.0
|