Content page
From [Institution name]
| Property | Unit | Requirement |
|
|---|---|---|---|
| Min. | Max. | ||
| Air permeance | L/(s·m 2) at 75 Pa | — | 0.02 |
| Open cell content | % | — | 10 |
| Density | kg/m 3 | 16 | — |
| Dimensional stability – volume change at –20°C | % | — | 5 |
| Dimensional stability – volume change at 70°C | % | — | 16 |
| Durability performance: air permeance per 1-m length after aging on specific substrates | L/s at 75 Pa | — | 0.05 |
| Elongation at break | % | 5 | — |
| Long-term thermal resistance (LTTR) at 25-mm-thickness | m 2·°C/W | 0.70 | — |
| Surface-burning characteristics Class I – flame spread | — | — | 30 |
| Surface-burning characteristics Class II – flame spread | — | 31 | 75 |
| Surface-burning characteristics Class III – flame spread | — | 76 | 150 |
| Smoke-developed classification Class I | — | — | 50 |
| Smoke-developed classification Class II | — | — | 250 |
| Smoke-developed classification Class III | — | — | 250 |
| Tack-free time | min | — | 2 |
| Tensile strength | kPa | 130 | — |
| Volatile organic compounds (time to reach maximum allowable limit levels) | h | 1 | — |