Electrical insulating matting certified according to IEC 61111:2009 in class 3, with an operating voltage of 26 500 V, a test voltage of 30 000 V and a withstanding voltage of 40 000 V, with permanently vulcanized marking tape. Vulcanized elastomer wide grooved is available in black color, 5 mm thick with basic weight 6,9 kg/m2.