Trade assurance asphalt paper waterproof roof underlay felt
US $3.00-$7.00
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Item | Unit | Min Value | Min Value | Max Value | Method |
Basic Weight | gsm | 94 | 91.3 | 98.5 | ASTM D3776 |
MD Tensile Strength | N/5cm | 141 | 127.8 | 160.1 | ASTM D5034 |
CD Tensile Strength | N/5cm | 129 | 97.4 | 139.2 | |
MD Elongation | % | 160 | 136.5 | 184.6 | |
CD Elongation | % | 138.3 | 124.6 | 159.1 | |
Hydrostatic Pressure | mmH2O | 3003 | 2758 | 3584 | ASTM D779 |
Through rate of water vapor | g/sm/24h | 95.64 | 92.33 | 98.95 | ASTM E96 |