Samples | E’ (−140˚C) (MPa) | E’ (−75˚C) (MPa) | E’ (+25˚C) (MPa) | E” (−140˚C) (MPa) | E” (−75˚C) (MPa) | E” (+25˚C) (MPa) | Temp. corresponding to tanδmax (LDPE) | Temp. corresponding to tanδmax (EPDM) |
L100 | 3780 | 2120 | 327 | 374 | 150 | 54 | −132, −15 | - |
E100 | 1720 | 926 | 9 | 227 | 73 | 2 | - | −30 |
LE 73 | 2570 | 1610 | 197 | 339 | 129 | 55 | −130 |
|
LE 73 40 kGy | 3130 | 1820 | 240 | 330 | 115 | 31 | −15.4 −132 |
|
LE 73 80 kGy | 3320 | 1910 | 215 | 315 | 109 | 24 | −15.2 −131 |
|
LE 73 120 kGy | 3600 | 2030 | 340 | 290 | 94 | 22 | −15.2 −134 −14.9 |
|
LE 55 | 2350 | 1345 | 62 | 314 | 109 | 11 | −128 | −23.6 |
LE 55 40 kGy | 2460 | 1552 | 141 | 282 | 96 | 10 | −127.8 | −33.2 |
LE 55 80 kGy | 2530 | 1665 | 176 | 290 | 92 | 8 | −129.7 | −29.9 |
LE 55 120 kGy | 2860 | 1820 | 224 | 262 | 78 | 13 | −127.3 | −32.1 |
LE 37 | 2096 | 1196 | 18 | 294 | 104 | 9 | −129 | −25 |
LE 37 40 kGy | 2230 | 1230 | 69 | 255 | 97 | 7 | −128 | −22.5 |
LE 37 80 kGy | 2425 | 1293 | 108 | 259 | 84 | 5 | −129 | −22.3 |
LE 37 120 kGy | 2700 | 1480 | 180 | 234 | 76 | 7 | −129 | −22.1 |