product
sf215c
characteristic
●low transparence, excellentlight-blocking.
●flammability ul94 v-0.
●excellent solderingreliability, chemical resistance and electrical properties.
●low adhesive flowing, good processability,suitable for both fast and traditional lamination style.
●compatible with eu rohs directive, free of pb,hg,cd, cr6 ,pbb,pbde,etc..
application area
coverlayfor fpc.
- product performance
 - product certificate
 - data download
 
| items | method | condition | unit | typical value | 
|---|---|---|---|---|
| peel strength (90°)* | ipc-tm-650 2.4.9d | accepted | n/mm | 0.71 | 
| 288℃, 5s | 0.7 | |||
| solder resistance | ipc-tm-650 2.4.13.f | 288℃, 10s | - | no delamination | 
| dimensional stability | sy method | 
after peeling off the paper | 
% | -0.0304/-0.0151 | 
| chemical resistance | ipc-tm-650 2.3.2g | after chemical exposure | % | 
>85 | 
| volume resistivity | ipc-tm-650 2.5.17e | c-96/35/90 | mω-cm | 
4.1×108 | 
| surface resistance | ipc-tm-650 2.5.17e | c-96/35/90 | 
mω | 
1.2×105 | 
| dielectric constant (10ghz) | spdr | c-24/23/50 | - | 4.22 | 
| dissipation factor (10gmhz) | spdr | 
c-24/23/50 | 
- | 0.0405 | 
| 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
