1.1 This standard ( Part IV ) specifies the apparatus and the test procedure for determining the substance of the individual papers from which corrugated fibreboard has been made.
1.1.1 This method is applicable to all types of corrugated fibreboard.
IS 7063 Pt.4-1976 history
1976IS 7063 Pt.4-1976 Test Methods for Corrugated Board Part IV Determination of Substances in Separated Component Paper