Among the fiber production techniques, electrospinning is a user friendly, versatile and low-cost method, which allows to manufacture different materials (e.g. polymers, ceramics, metals, composites) with diameters ranging from nanometers to micrometers and large surface area-to-volume ratio [1–6]. Only few attempts of electrospinning elastomers/rubbers are currently reported in literature, due to their poor spinning ability in conventional solvent systems, which is related to their viscoelastic behavior at room temperature and fiber formation mechanism during electrospinning. For example, only fibers based on polybutadiene rubber (BR) [7–8], synthethic cis-1,4-polyisoprene [9], blends of natural rubber (NR)/acrylonitrile butadiene styrene (ABS) [10] and of NR/polycaprolactone (PCL) [11] were successfully obtained by electrospinning technique. To the best of our knowledge, actually none of the papers reported in literature deals with sole natural rubber.