Section X Pulp of Wood or of Other Fibrous Cellulosic Material; Recovered (Waste and Scrap) Paper or Paperboard; Paper and Paperboard and Articles Thereof Note 1. For the purposes of heading 4702, the expression "chemical woodpulp, dissolving grades" means chemical woodpulp having by weight an insoluble fraction of 92 percent or more for soda or sulfate woodpulp or of 88 percent or more for sulfite woodpulp after one hour in a caustic soda solution containing 18 percent sodium hydroxide (NaOH) at 20 degrees centigrade, and for sulfite woodpulp an ash content that does not exceed 0.15 percent by weight. 4701.00.0000 Mechanical woodpulp . . . . . . . . . . . . . t-Air Dry Weight 4702.00.0000 Chemical woodpulp, dissolving grades . . . . t-Air Dry Weight 4703 Chemical woodpulp, soda or sulfate, other than dissolving grades: Unbleached: 4703.11.0000 Coniferous . . . . . . . . . . . . . . . t-Air Dry Weight 4703.19.0000 Nonconiferous . . . . . . . . . . . . . t-Air Dry Weight Semibleached or bleached: 4703.21 Coniferous: 4703.21.0020 Semibleached . . . . . . . . . . . . . t-Air Dry Weight 4703.21.0040 Bleached . . . . . . . . . . . . . . . t-Air Dry Weight 4703.29 Nonconiferous: 4703.29.0020 Semibleached . . . . . . . . . . . . . t-Air Dry Weight 4703.29.0040 Bleached . . . . . . . . . . . . . . . t-Air Dry Weight 4704 Chemical woodpulp, sulfite, other than dissolving grades: Unbleached: 4704.11.0000 Coniferous . . . . . . . . . . . . . . . t-Air Dry Weight 4704.19.0000 Nonconiferous . . . . . . . . . . . . . t-Air Dry Weight Semibleached or bleached: 4704.21.0000 Coniferous . . . . . . . . . . . . . . . t-Air Dry Weight 4704.29.0000 Nonconiferous . . . . . . . . . . . . . t-Air Dry Weight 4705.00.0000 Wood pulp obtained by a combination of mechanical and chemical pulping processes . . . . . . . . . t-Air Dry Weight 4706 Pulps of fibers derived from recovered (waste and scrap) paper or paperboard or of other fibrous cellulosic material: 4706.10.0000 Cotton linters pulp . . . . . . . . . . . . t-Air Dry Weight 4706.20.0000 Pulps of fibers derived from recovered (waste and scrap) paper or paperboard . . . . . . . . . . . . t-Air Dry Weight 4706 (con.) Pulps of fibers derived from recovered (waste and scrap) paper or paperboard or of other fibrous cellulosic material (con.): Other: 4706.91.0000 Mechanical . . . . . . . . . . . . . . t-Air Dry Weight 4706.92.0000 Chemical . . . . . . . . . . . . . . . . t-Air Dry Weight 4706.93.0000 Semichemical . . . . . . . . . . . . . . t-Air Dry Weight 4707 Recovered (waste and scrap) paper and paperboard: 4707.10.0000 Unbleached kraft paper or paperboard or corrugated paper or paperboard . . . . . . . . . . . . . . . .t 4707.20 Other paper or paperboard, made mainly of bleached chemical pulp, not colored in the mass: 4707.20.0020 High grade deinking paper and paperboard .t 4707.20.0040 Other . . . . . . . . . . . . . . . . . .t 4707.30 Paper or paperboard made mainly of mechanical pulp (for example, newspapers, journals and similar printed matter): 4707.30.0020 Newsprint . . . . . . . . . . . . . . . .t 4707.30.0040 Other . . . . . . . . . . . . . . . . . .t 4707.90.0000 Other, including unsorted waste and scrap . .t