| Properties | Jedn. | Ergopor |
| Thickness | mm | 0,15±0,03 |
| Surface mass | g/m2 | 193±15 |
| Binder content | g/m2 | 10±3 |
| Breakdown voltage, min. ( in delivery condition) | kV | 1,5 |
| The breaking strength of a 10mm sample, min. | N | 80 |
| Air permeability, no more than s/100 | ml | 800 |
I Porous mica tapes Ergopor
Technical data