Section 10 Pulp of wood or of other fibrous cellulosic material;"Recovered (waste and scrap) paper or paperboard; paper and paperboard and articles thereof 47 Pulp of wood or of other fibrous cellulosic material; recovered (waste and scrap)paper or paperboard 47 06 Pulps of fibres from recovered paper.. and other fibrous cellulosic material 47 06 91 Mechanical 47 06 91 00 Mechanical Commodity Code Description 47 06 91 00 000 Mechanical