
Electrical insulating materials - Methods of test for the hydrolytic stability - Part 2: Moulded thermosets
NORMA vydaná dňa 10.9.1997
Označenie normy: IEC 61234-2-ed.1.0
Dátum vydania normy: 10.9.1997
Počet strán: 11
Približná hmotnosť: 33 g (0.07 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy IEC
Describes the test method for determination of hydrolytic stability of moulded thermosets made of room temperature or oven-curing reaction resins when subjected to simultaneous influence of water and high temperature. With this test method, irreversible change of mechanical and electrical properties is measured, but no mechanical stress is imposed on the test specimens. Decrit la methode dessai destinee a la determination de la stabilite hydrolytique des materiaux thermodurcissables moules, realises a partir de resines reagissant en durcissant a la temperature ambiente ou a chaud, lorsquelles sont soumises a linfluence simultanee de leau et dune temperature elevee. Avec cette methode, on mesure les modifications irreversibles des proprietes mecaniques et electriques, sans imposer de contrainte mecanique sur les eprouvettes.