Floor covering underlays

Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes CHAPTER 56 WADDING, FELT AND NONWOVENS; SPECIAL YARNS; TWINE, CORDAGE, ROPES AND CABLES AND ARTICLES THEREOF XI 56-1 Notes 1. This chapter does not cover: (a) Wadding, felt or nonwovens, impregnated, coated or covered with substances or preparations (for example, perfumes or cosmetics of chapter 33, soaps or detergents of heading 3401, polishes, creams or similar preparations of heading 3405, fabric softeners of heading 3809) where the textile material is present merely as a carrying medium; (b) Textile products of heading 5811; (c) Natural or artificial abrasive powder or grain, on a backing of felt or nonwovens (heading 6805); (d) Agglomerated or reconstituted mica, on a backing of felt or nonwovens (heading 6814); (e) Metal foil on a backing of felt or nonwovens (generally section XIV or XV); or (f) Sanitary pads (towels) and tampons, diapers (napkins) and diaper liners and similar articles of heading 9619. 2. The term "felt" includes needleloom felt and fabrics consisting of a web of textile fibers the cohesion of which has been enhanced by a stitch-bonding process using fibers from the web itself. 3. Headings 5602 and 5603 cover respectively felt and nonwovens, impregnated, coated, covered or laminated with plastics or rubber whatever the nature of these materials (compact or cellular). Heading 5603 also includes nonwovens in which plastics or rubber forms the bonding substance. Headings 5602 and 5603 do not, however, cover: (a) Felt impregnated, coated, covered or laminated with plastics or rubber, containing 50 percent or less by weight of textile material or felt completely embedded in plastics or rubber (chapter 39 or 40); (b) Nonwovens, either completely embedded in plastics or rubber, or entirely coated or covered on both sides with such materials, provided that such coating or covering can be seen with the naked eye with no account being taken of any resulting change of color (chapter 39 or 40); or (c) Plates, sheets or strip of cellular plastics or cellular rubber combined with felt or nonwovens, where the textile material is present merely for reinforcing purposes (chapter 39 or 40). 4. Heading 5604 does not cover textile yarn, or strip or the like of heading 5404 or 5405, in which the impregnation, coating or covering cannot be seen with the naked eye (usually chapters 50 to 55); for the purpose of this provision, no account should be taken of any resulting change of color. Additional U.S. Notes 1. The term "of wide nonfibrillated strip", as applied to twine, cordage, rope or cables of subheadings 5607.41.10 and 5607.49.10, embraces products which contain more than 65 percent by weight of nonfibrillated polyethylene or polypropylene strip (whether folded, twisted or crimped) measuring more than 25.4 mm in width in unfolded, untwisted and uncrimped condition. 2. Heading 5607 does not cover twine, cordage, rope or cables, of metal (section XV). Statistical Note 1. The term "salmon gill netting, of nylon or other polyamides", as used in statistical reporting number 5608.19.1010, means fish netting, of nylon or other polyamide fibers, consisting of monofilament yarns measuring not more than 0.806 mm in maximum cross-sectional dimension or multifilament yarns measuring not more than 233 decitex, or a combination of the foregoing, of double- or triple-knot construction, colored, having a stretch mesh size of not less than 10.5 cm and not more than 21.6 cm. Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes XI 56-2

SECTION XI TEXTILES AND TEXTILE ARTICLES XI-1 Notes 1. This section does not cover: (a) Animal brush-making bristles or hair (heading 0502); horsehair or horsehair waste (heading 0511); (b) Human hair or articles of human hair (heading 0501, 6703 or 6704), except filtering or straining cloth of a kind commonly used in oil presses or the like (heading 5911); (c) Cotton linters or other vegetable materials of