NF C32-011-509*NF EN 60811-509:2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 509 : mechanical tests - Test for resistance of insulations and sheaths to cracking (heat shock test)
2012NF C32-011-509*NF EN 60811-509:2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 509 : mechanical tests - Test for resistance of insulations and sheaths to cracking (heat shock test)