GOST IEC 60811-509-2015 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)
IEC 60811-100:2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 100: General
GOST IEC 60811-509-2015 history
2015GOST IEC 60811-509-2015 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)