HC Deb 22 July 1975 vol 896 c140W
Mr. Michael McNair-Wilson

asked the Secretary of State for Industry for what purposes sperm whale oil is used; and what research is being undertaken to find a substitute for it.

Mr. Kaufman

Sperm whale oil is used in a number of industrial processes, principally in the engineering and leather industries. Research into substitutes is being undertaken by industrial research bodies including individual companies.