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ASTM D4245-08(2013)

Historical Reaffirmation

Standard Specification for Ozone-Resistant Thermoplastic Elastomer Insulation For Wire and Cable, 90 °C Dry/75 °C Wet Operation

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1.1 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.

1.2 This type of insulation is suitable for continuous operation at conductor temperatures not exceeding 90°C in dry locations and 75°C in wet locations. Operating voltages are not to exceed 2000 V. The minimum installation temperature is −40°C.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4  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 document solely to determine the relevant property of the insulation material and not to test the conductor or completed cable.


This specification covers ozone-resistant thermoplastic elastomer insulation for electrical wires and cables operating continuously at specified conductor temperatures, within the specified voltage range, and under wet or dry conditions. The prescribed tests cannot be performed unless the insulation is formed around a conductor, but these are done solely to determine the insulation properties and not to test the conductor or completed cable. Each test sample should be subjected to ac and dc voltage withstand tests as well as insulation resistance tests and should comply with the required values for aging, heat distortion, electrical permittivity, increase in capacitance, stability factor, and accelerated water absorption.


SDO ASTM: ASTM International
Document Number D4245
Publication Date Nov. 1, 2013
Language en - English
Page Count 2
Revision Level 08(2013)
Supercedes
Committee D09.07
Publish Date Document Id Type View
Jan. 1, 2021 D4245-21 Revision
Nov. 1, 2008 D4245-08 Revision
March 10, 2002 D4245-97 Revision
March 10, 2002 D4245-02 Revision
Nov. 1, 2013 D4245-08R13 Reaffirmation