ASTM D4246 Standard Specification for Ozone-Resistant Thermoplastic Elastomer Insulation For Wire and Cable, 90°C Operation
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ASTM International
Standard Specification for Ozone-Resistant Thermoplastic Elastomer Insulation For Wire and Cable, 90°C Operation
N D4246
Annotation
This specification covers an ozone-resistant insulating compound for electrical wire and cables 14 AWG and larger. This compound consists substantially of a thermoplastic elastomer.
This type of insulation is considered suitable for continuous operation at conductor temperatures not exceeding 90°C in dry locations. Operating voltages are not to exceed 2000 V. The minimum installation temperature is -40°C.
Whenever two sets of values are presented, in different units, the values in the first set are the standard, while those in parentheses are for information only.
In many instances the insulation material cannot be tested unless it has been formed around a conductor or cable. Therefore, tests are done on insulated wire or cable in this specification solely to determine the relevant property of the insulation material and not to test the conductor or completed cable.
*A Summary of Changes section appears at the end of this standard
Автоматический перевод:
Стандартная спецификация для стойкой к озону изоляции термопластичного эластомера для провода и кабеля, 90°C операция
Эта спецификация покрывает стойкий к озону изоляционный составной объект для электрического провода и кабелей 14 AWG и больше. Этот составной объект состоит существенно из термопластического эластомера.
