fld double side 2l-fccl
introduction
f·rst ® fld series single-side 2l-fccl possess excellent dimensional stability, thermal resistance, and high reliability. they can be used in high-precision multi-layer fpc and rigid-flex pcb.
basic property
| test item |
test methodipc tm-650 （or other) |
unit | fls 2018e |
| peel strength | method2.4.9 b | n/mm | 1.0 |
| method2.4.9 d | 1.0 | ||
| dimensional stability | method2.2.4 b | % | <±0.05 |
| method2.2.4 c | <±0.05 | ||
| tensile strength（pi） | method 2.4.19 | mpa | 150 |
| solder float at 288℃ | method2.4.13 | - | pass |
| chemical resistance | method 2.3.2 | % | pass，>90% |
| dielectric constant（at 1mhz） | method 2.5.5.3 | - | 3.2 |
| dissipation factor（at 1mhz） | method 2.5.5.3 | - | 0.006 |
| dielectric strength | method 2.5.6.1 | v/μm | 140 |
| volume resistivity | method 2.5.9 | mω-cm | 8.5×107 |
| surface resistance | method 2.5.17 | mω | 5.0×106 |
| flammability | ul-94 | - | v-0 |
