| Glass fabric innerlayer STP-4 | ||
| The glass fabric innerlayer STP-4 (type G-10), is made on the basis of glass fabric impregnated epoxy resin . | ||
| Conformity to standards | ||
|
| Technical parameters |
| Parameters |
norm |
||
| STP-4-0,055; STP-4-0,062 | STP-4-0,055;STP-4-0,062 | STP-4-0,1; | |
| resin content | 48±5 | 55±5 | 48±5 |
| volatiles | 0,75 | 0,75 | 0,75 |
|
flow low |
30±5 | - | 25±5 |
| medium | - | 35±5 | - |
| high | - | 40±5 | - |
| gel-time | 360±54
480±72 |
360±54 480±72 |
360±54 480±72 |
| Solder float , 260 , sec | 30 | 30 | 30 |
| Application |
| Is applied as prepreg together with STF in production multilayer PCB. |