Research Article

Dielectric Relaxation Spectroscopy in Synthetic Rubber Polymers: Nitrile Butadiene Rubber and Ethylene Propylene Diene Monomer

Figure 2

The SEM image of NBR and EPDM rubber. (a) The image of a carbon black filler in the NBR rubber and (b) a carbon black filler in the EPDM rubber. The scale bar of both figures indicated is 5 μm. The red circles in both figures indicated the aggregate form of the carbon black filler.
(a)
(b)