Any bulk raw material constituting the principal input for an industrial process.Bio-materials may be substituted for petrochemical feedstocks as petroleum prices rise.The filtered extract of the mash is the feedstock for the fermenter.
2009, M.S.Vassiliou, Historical Dictionary of the Petroleum Industry, page 5In 2006, about 6 percent of the world's crude oil production was used in non-energy applications, primarily as a petrochemical feedstock.
