| Material | polypropylene |
| Length | 50 (-0%) |
| Width [m] | 1,6 (-0,5/+1,5%) |
| Straightness [mm] | max 30 per 10 [m] |
| Weight | 150 (+/-20) |
| Dimensional stability [%] | lengthwise +/- 3; +/-1 crosswise |
| Air permeability at positive and negative pressure differential +/- [m3/(m2 x h x 50 Pa)] | ≤ 0,1 |

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