Electrical insulating matting certified according to IEC 61111:2009 in class 2, with an operating voltage of 17 000 V, a test voltage of 20 000 V and a withstanding voltage of 30 000 V, with permanently vulcanized marking tape. Vulcanized elastomer fine grooved is available in gray, dark gray and yellow color, 3 mm thick with basic weight 3,4 kg/m2.