ASTM D3991-94(2006) - 15.8.2006
 
1. Scope

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

D2130-22

Standard Test Method for Diameter of Wool and Other Animal Fibers by Microprojection

D2252-18

Standard Specification for Fineness of Types of Alpaca

D3992-94(2000)

Standard Specification for Wool Top or Mohair Top and Assignment of Grade

D4845-10(2018)

Standard Terminology Relating to Wool

D123-23

Standard Terminology Relating to Textiles

Measurement Method for Determining Grade of Grease Mohair, Section 32.204