IEC 60811-509-2017 电缆和光缆--非金属材料的试验方法--第509部分:机械试验--绝缘材料和护套的抗开裂试验(热冲击试验) 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)

This Part 509 of IEC 60811 gives the procedure for the test for resistance of insulations and sheaths to cracking at an elevated temperature.dition 1.1 2017-07 CONSOLIDATED VERSION VERSION CONSOLIDéE colour inside 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) Cables électriques et à fibres optiques – Méthodes d’essai pour les matériaux non-métalliques – Partie 509: Essais mécaniques – Essai de résistance à la fissuration des enveloppes isolantes et des gaines (essai de choc thermiq