J.I This specification covers a durable vulcanized black polychloroprene compound suitable for use as the outside covering or jacket on insulated electrical wires and cables for heavy-duty service. The acceptability of the jacket compound. under this specification. shall be determined solely by the test requirements specified herein. J.2 This jackct compound is not recommended for installation or use in service at a temperature lower than 25c C.
ASTM D752-73(1978) history
1978ASTM D752-73(1978) Standard test method for bench oxidation of engine oils using ROBO instruments