ASTM D3991

1.1 These specifications cover the classification, by fineness grade, of wool or mohair that is in the grease, pulled, washed, or scoured state, or in the form of card sliver.

1.2 These specifications are applicable also to assignment of grade for wool or mohair in spun materials or products processed beyond carding on the woolen system but not on the worsted system which involves a combing process.

Note 1 - For fineness specifications for wool top, mohair top, and alpaca, refer to Specifications D 3992 and D 2252.

2. Referenced Documents

ASTM Standards
D123 Terminology Relating to Textiles
D2130 Test Method for Diameter of Wool and Other Animal Fibers by Microprojection
D2252 Specification for Fineness of Types of Alpaca
D3992 Specifications for Fineness of Wool Top or Mohair Top and Assignment of Grade
Federal Standards
MeasurementMethodforDeterminingGradeofGreaseMohair,Section32.204

Index Terms

animal fibers (except wool); number grade; wool; yarn; ICS Number Code 59.060.10 (Natural fibres)

Citing ASTM Standards

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