1.1 This specification covers crosslinked chlorosulfonated polyethylene compounds suitable for use as outer coverings or jackets on electrical cables for general-purpose, heavy-duty, and extra-heavy-duty service. 1.2 The This specification covers the standard requirements for crosslinked chlorosulfonated polyethylene compounds intended for use as jacket materials (outer coverings) on electrical wires and cables for general-purpose, heavy-duty, and extra-heavy-duty serv