IEC 60626-3:2008 gives dimensional and performance requirements for individual combined flexible materials for electrical insulation. This part is in the form of groups of sheets. This standard contains 31 sheets of Part 3, as follows: 100, 101, 102, 110, 111, 112, 113, 114, 115, 302, 303, 312, 313, 315, 320, 330, 340, 350, 351, 360, 400, 401, 402, 403, 410, 411, 420, 421, 502, 503, 505. The main change from the previous edition is the consolidation of amendment 1 published in 1999 which was mainly describing the sheets from 340 to 459.