ASTM D4247-99

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 The values stated in inch-pound units are the standard, except in cases where SI units are more appropriate. The values in parentheses are for information only.