产品与市场
sf335c
特点
●无卤无磷，阻燃性ul94v-0。
●粘结强度高，尺寸稳定性好。
●优秀的耐热性、耐化学性和电性能。
●溢胶量低，加工性好，适于快速压合和传统压合。
●满足rohs指令要求，不含铅、汞、镉、六价铬、
多溴联苯、多溴联苯醚等。
应用领域
挠性印制电路用覆盖膜。
- 产品性能
- 产品证书
- 资料下载
| items | method | condition | unit | typical value |
|---|---|---|---|---|
| peel strength (90°)* | ipc-tm-650 2.4.9d | accepted | n/mm | 1.13 |
| 288℃, 5s | 1.17 | |||
| solder resistance | ipc-tm-650 2.4.13.f | 288℃, 10s | - | no delamination |
| dimensional stability | sy method |
after peeling off the paper |
% | 0.0313/0.0415 |
| chemical resistance | ipc-tm-650 2.3.2g | after chemical exposure | % |
＞90 |
| electric strength | ipc-tm-650 2.5.6.2a | d-48/50 d-0.5/23 | kv/mm | 105 |
| volume resistivity | ipc-tm-650 2.5.17e | c-96/35/90 | mω-cm |
2.0×106 |
| surface resistance | ipc-tm-650 2.5.17e | c-96/35/90 |
mω |
1.5×105 |
| dielectric constant (10ghz) | spdr | c-24/23/50 | - | 3.27 |
| dissipation factor (10ghz) | spdr |
c-24/23/50 |
- | 0.019 |
| resin flow | ipc-tm-650 2.3.17.1 |
180℃/10 60s,100kg/cm2 |
mm | ＜0.15 |
| flammability | ul94 | e-24/125 | rating |
v-0 |
remarks:
* certified to ipc-4203/2 epoxy adhesive on one or two sidesof poyimide dielectric and shengyi standard.