Tensile tests were performed by using the Insight 10 kN Elec-tromechanical Testing System (MTS, Eden Prairie, MN, USA),according to ASTM D638 (American Society for Testing Materials,2005). Tensile stress and elongation at break were evaluated fromat least four replicates for each product using type IV probes and an extensional rate of 20 mm min−1at room temperature.