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