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Section XI - Chapter 51
Wool, Fine or Coarse Animal Hair; Horsehair Yarn and Woven Fabric
Note
1. Throughout the Schedule B:
(a). "Wool" means the natural fiber grown by sheep or lambs;
(b). "Fine animal hair" means the hair of alpaca, llama, vicuna, camel (including dromedary), yak, Angora, Tibetan, Kashmir or similar goats (but not common goats), rabbit (including Angora rabbit), hare, beaver, nutria or muskrat; and
(c). "Coarse animal hair" means the hair of animals not mentioned above, excluding brushmaking hair and bristles (heading 0502), and horsehair (heading 0511).
Statistical Note
1. For the purposes of this chapter:
(a). The unit of quantity "cy kg" means kilogram (kg) of clean yield (cy);
(b). The term "clean yield", except for purposes of carbonized fibers, means the absolute clean content (i.e., all that portion of the merchandise which consists exclusively of wool or hair free of all vegetable and other foreign material, containing by weight 12 percent of moisture and 1.5 percent of material removable from the wool or hair by extraction with alcohol, and having an ash content of not over 0.5 percent by weight), less an allowance, equal by weight to 0.5 percent of the absolute clean content plus 60 percent of the vegetable matter present, but not exceeding 15 percent by weight of the absolute clean content, for wool or hair that would ordinarily be lost during commercial cleaning operations;
(c). For the purposes of carbonized fibers, the term "clean yield" means in the condition as exported."

Schedule B No. and Headings Commodity Description Unit of Quantity Second Quantity
51 Wool, Fine or Coarse Animal Hair; Horsehair Yarn and Woven Fabric
51.01 - Wool, not carded or combed:
- - Greasy, including fleece-washed wool:
5101.11.0000 - - - Shorn wool cy kg kg
5101.19.0000 - - - Other cy kg kg
- - Degreased, not carbonized:
5101.21.0000 - - - Shorn wool cy kg kg
5101.29.0000 - - - Other cy kg kg
5101.30.0000 - - Carbonized kg
51.02 - Fine or coarse animal hair, not carded or combed:
- - Fine animal hair:
5102.11 - - - Of Kashmir (cashmere) goats:
5102.11.1000 - - - - Not processed in any manner beyond the degreased or carbonized condition cy kg kg
5102.11.9000 - - - - Other cy kg kg
5102.19 - - - Other:
- - - - Not processed in any manner beyond the degreased or carbonized condition:
5102.19.6030 - - - - - Hair of the Angora goat (Mohair) cy kg kg
5102.19.6090 - - - - - Other cy kg kg
5102.19.9550 - - - - Other kg
5102.20.0000 - - Coarse animal hair kg
51.03 - Waste of wool or of fine or coarse animal hair, including yarn waste but excluding garnetted stock:
5103.10.0000 - - Noils of wool or of fine animal hair kg
5103.20.0000 - - Other waste of wool or of fine animal hair kg
5103.30.0000 - - Waste of coarse animal hair kg
5104.00.0000 - Garnetted stock of wool or of fine or coarse animal hair kg
51.05 - Wool and fine or coarse animal hair, carded or combed (including combed wool in fragments):
5105.10.0000 - - Carded wool kg
- - Wool tops and other combed wool:
5105.21.0000 - - - Combed wool in fragments kg
5105.29.0000 - - - Other kg
- - Fine animal hair, carded or combed:
5105.31.0000 - - - Of Kashmir (cashmere) goats kg
5105.39.0000 - - - Other kg
5105.40.0000 - - Coarse animal hair, carded or combed kg
51.06 - Yarn of carded wool, not put up for retail sale:
5106.10 - - Containing 85 percent or more by weight of wool:
5106.10.0010 - - - Of which the average fiber diameter is not less than 34.40 microns kg
5106.10.0090 - - - Other kg
5106.20.0000 - - Containing less than 85 percent by weight of wool kg
51.07 - Yarn of combed wool, not put up for retail sale:
5107.10.0000 - - Containing 85 percent or more by weight of wool kg
5107.20.0000 - - Containing less than 85 percent by weight of wool kg
51.08 - Yarn of fine animal hair (carded or combed), not put up for retail sale:
5108.10.0000 - - Carded kg
5108.20.0000 - - Combed kg
51.09 - Yarn of wool or fine animal hair, put up for retail sale:
5109.10.0000 - - Containing 85 percent or more by weight of wool or of fine animal hair kg
5109.90.0000 - - Other kg
5110.00.0000 - Yarn of coarse animal hair or of horsehair (including gimped horsehair yarn), whether or not put up for retail sale kg
51.11 - Woven fabrics of carded wool or of carded fine animal hair:
- - Containing 85 percent or more by weight of wool or of fine animal hair:
5111.11.0000 - - - Of a weight not exceeding 300 g/m2 (8.85 oz./sq. yd.) m2 kg
5111.19.0000 - - - Other m2 kg
5111.20.0000 - - Other, mixed mainly or solely with manmade filaments m2 kg
5111.30.0000 - - Other, mixed mainly or solely with manmade staple fibers m2 kg
5111.90.0000 - - Other m2 kg
51.12 - Woven fabrics of combed wool or of combed fine animal hair:
- - Containing 85 percent or more by weight of wool or of fine animal hair:
5112.11.0000 - - - Of a weight not exceeding 200 g/m2 (5.90 oz./sq. yd.) m2 kg
5112.19.0000 - - - Other m2 kg
5112.20.0000 - - Other, mixed mainly or solely with manmade filaments m2 kg
5112.30.0000 - - Other, mixed mainly or solely with manmade staple fibers m2 kg
5112.90.0000 - - Other m2 kg
5113.00.0000 - Woven fabrics of coarse animal hair or of horsehair m2 kg

Source: U.S. Census Bureau | Foreign Trade | ftdwebm 7;ster@census.gov |  Last Revised: April 11, 2012