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Table 5 DMA properties of EPDM, NBR and their composites

From: Effect of graphene on polar and nonpolar rubber matrices

Compounds (phr)

Storage Modulus (MPa)

Reinforcement Coefficient (C)

Glassy region (-15 °C)

Rubbery region (40 °C)

NBR

55.7

3.2

1

NBR-GO-1

44.5

3.9

0.66

NBR-rGO-1

46.0

3.6

0.73

EPDM

3.7

3.2

1

EPDM-GO-1

4.1

3.7

0.95

EPDM-rGO-1

4.4

4.0

0.95