Project Unit Standard Tensile strength MPa 15.0 Ultimate elongation % 150 ¡«400 Apparent density g /cm 3 2.2 ¡«2.3 Dialectic strength KV/mm 10 Resistance of surface (Working voltage 500V) 3.7 x 10 16. Thickness max:100mm Width max:1200mm Length max:1200mm.