NF C32-011-509/A1*NF EN 60811-509/A1:2017 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)
2017NF C32-011-509/A1*NF EN 60811-509/A1:2017 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)