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HDPE Geomembrane Specification
Tested Property | Test Method | Frequency | Minimum Average Value | |||||
Thickness, (minimum average) mm | ASTM D 5199 | every roll | 0.75 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 |
Density, g/cm3 | ASTM D 1505 | every 5th roll | 0.94 | 0.94 | 0.94 | 0.94 | 0.94 | 0.94 |
Tensile Properties (each direction): | ||||||||
Strength at Break, N/mm-width | ASTM D 6693, Type IV | every 5th roll | 21 | 28 | 43 | 57 | 71 | 85 |
Strength at Yield, N/mm-width | 11 | 15 | 23 | 30 | 38 | 45 | ||
Elongation at Break, % | G.L. 51 mm (2.0 in) | 700 | 700 | 700 | 700 | 700 | 700 | |
Elongation at Yield, % | G.L. 33 mm (1.3 in) | 13 | 13 | 13 | 13 | 13 | 13 | |
Tear Resistance, N (lb) | ASTM D 1004 | every 5th roll | 93 (21) | 125 (28) | 187 (42) | 249 (56) | 311 (70) | 373 (84) |
Puncture Resistance, N (lb) | ASTM D 4833 | every 5th roll | 263(59) | 352(79) | 530(119) | 703(158) | 881(198) | 1,059 (238) |
Carbon Black Content, % | ASTM D 1603 / D 4218 | every 5th roll | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 |
Notched Constant Tensile Load, hrs | ASTM D 5397, Appendix |
90,000 kg | 400 | 400 | 400 | 400 | 400 | 400 |
Oxidative Induction Time, minutes | ASTM D 3895, 200° C; O2, 1 atm |
90,000 kg | >100 | >100 | >100 | >100 | >100 | >100 |
TYPICAL ROLL DIMENSIONS | ||||||||
Roll Length, m | 280 | 210 | 140 | 105 | 85 | 70 | ||
Roll Width, m | 7.0/8.0 | 7.0/8.0 | 7.0/8.0 | 7.0/8.0 | 7.0 | 7.0 |
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