Wool — Determination of fibre length (barbe and hauteur) using a comb sorter
NORMA vydaná dňa 1.10.1976
Označenie normy: ISO 920:1976
Dátum vydania normy: 1.10.1976
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: Applicable to wool in the form of worsted drawing slivers and rovings. Definitions of fibre lengths in relation to hauteur and barbe are given. The calculation of the coefficient of variation of both these terms is described. An annex deals with the Schlumberger apparatus for usage to determination the fibre lengths.