This sheet of IEC 60684-3 gives the requirements for one type of heat-shrinkable, flame retarded polyolefin sleeving with a temperature index of 135 and a nominal shrink ratio of 3:1. This sleeving is normally supplied with internal diameters up to 39 mm and in the following colours: black, brown, red, yellow, green, blue, orange, violet, grey and white. Sizes or colours other than those specifically listed in this standard may by available as custom items. These items shall be considered to comply with this standard if they comply with the property requirements listed in tables 1, 2, 3, 4 and 5.