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Smooth Surface PE Geomembrane Technical Data | |||||||||
NO | Item | High Strength Polyethylene geomembrane | Flexible Polyethylene Geomembrane | ||||||
Thickness(mm) | 0.75 | 1.0 | 1.5 | 2.0 | 0.75 | 1.0 | 1.5 | ||
1 | densityg/sqm | ≥0.94 | ≤0.94 | ||||||
2 | Tenslle performance | ||||||||
Yield strength (stress),N/mm | 12 | 15 | 23 | 30 | |||||
Breaking strength (stress),N/mm | 22 | 28 | 43 | 57 | 20 | 27 | 40 | 53 | |
Elongation at yield,% 13 | 13 | ||||||||
Elongation at break,% 700 800 | 700 | 800 | |||||||
3 | Right angle tear strength,N | 95 | 125 | 187 | 249 | 70 | 100 | 150 | |
4 | Puncture strength,N | 270 | 350 | 530 | 700 | 190 | 250 | 370 | |
5 | Resistance to environmental stress cracking,h | 400 | 300 | ||||||
6 | Carbon black | ||||||||
Carbon black content (range),% | 2.0-3.0 | 2.0-3.0 | |||||||
Carbon black dispersion | Nine out of the 10 observation areas should belong to the 1st or 2nd level,and the 3rd level should not be more than once | Nine out of the 10 observation areas should belong to the 1st or 2nd level,and the 3rd level should not be more than once | |||||||
7 | Oxidation induction time (OIT) | ||||||||
Standard OIT,min | 100 | 100 | |||||||
High pressure OIT,min | 400 | 400 | |||||||
8 | 85℃ oven aging (minimum average value) per formula) | ||||||||
Standard OIT retention after 91 days of baking,% | 55 | 35 |