Section 10 Pulp of wood or of other fibrous cellulosic material; waste and scrap of paper or paperboard; paper and paperboard and articles thereof 48 Paper or paperboard; articles of paper pulp, of paper or paperboard 48 04 Uncoated kraft paper and paperboard, in rolls or sheets, other than that of heading 4802 or 4803 48 04 42 Bleached uniformly through the mass and of which more than 95% by weight of the total fibre content consists of wood fibres obtained by a chemical process Commodity Code Description 48 04 42 00 Bleached uniformly through the mass and of which more than 95% by weight of the total fibre content consists of wood fibres obtained by a chemical process