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Physical Properties and Processing of Fine Merino Lamb's Wool

Part II: Softness and Objective Characteristics of Lamb's Wool

Department of Textile Technology, School of Fibre Science and Technology. University of New South Wales, Sydney 2052, Australia

Ron Postle

Department of Textile Technology, School of Fibre Science and Technology. University of New South Wales, Sydney 2052, Australia

Trevor Mahar

Australian Wool Testing Authority Ltd., Sydney 2052, Australia

The fiber properties and handle of fine Merino lamb's and fleece wool are critically reviewed in Part 1 of this series of papers. Those objective characteristics that distin guish these two classes of raw wool and appear to account for the relative softness of hand of lamb's compared with fleece wool are presented here. The best single parameter indicating softness is resistance to compression. A reduction in staple crimp frequency or mean fibre diameter or both lowers resistance to compression and increases softness. The lower mean staple crimp frequency observed in wool grown in the first four months of a lamb's life is a visual indication of tactile softness compared with that of wool grown subsequently.

Textile Research Journal, Vol. 68, No. 9, 663-670 (1998)
DOI: 10.1177/004051759806800907


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