11. Test method for thermal endurance of electrical insulating varnishes by the helical coil method 12. Test method for evaluating thermal endurance of flexible sheet materials using the wrappel tube method 13. Test method for evaluating thermal endurance of flexible sheet materials using the wrapped tube method 14. Aerospace series - cables , electrical , aircraft use - test methods - part 410 : thermal endurance 15. Standard practice for calculating thermal endurance of materials from thermogravimetric decomposition data 16. Standard test method for thermal endurance of electrical insulating varnishes by the helical coil method 17. Electrical insulating materials - thermal endurance properties - part 4 - 3 : ageing ovens - multi - chamber ovens 18. Guide for the preparation of test procedures for evaluating the thermal endurance of electrical insulation systems 19. Outstanding thermal endurance and stability with highest continuous working temperature of 200 20. Electrical insulating materials - thermal endurance properties - part 4 - 3 : ageing ovens - multi - chamber ovens