PRODUCT SPECIFICATION The Duratuf electrical insulating rubber mats IEC 61111 comply with the latest revisions of the International Electrotechnical Commission. They are manufactured with high-quality elastomer, free from any type of insertion as per the guideline. Furthermore, they are quality tested for di-electric strength, elongation at break, tensile strength, aging, and performance around water-heat-chemicals-UV-Ozone. The Duratuf IEC 61111:2009 high-voltage insulating mats come in standard black color with color-coded product specification labels. You will get them in a fine-ribbed top and a textured anti-slip bottom design.