ASTM D4247-99(2004)

1.1 This specification covers crosslinked polychloroprene compounds suitable for use as outer coverings or jackets on electrical cables for general-purpose, black heavy-duty and black extra-heavy-duty service.

1.2 These jackets are not recommended for installation at a temperature lower than -25 °C.

1.3 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.