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Standard Test Method for Fiber Length of Wool in Scoured Wool and in Card Sliver (Withdrawn 2022)
Automatische name übersetzung:
Standardtestverfahren für Faserlänge von Wolle in gewaschener Wolle und in Karte Sliver
NORM herausgegeben am 1.7.2013
Bezeichnung normen: ASTM D1575-13
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.7.2013
SKU: NS-17732
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
length, wool, ICS Number Code 59.060.10 (Natural fibres)
Significance and Use | ||||||||||
5.1 This test method is not recommended for acceptance testing due to its poor between-laboratory precision. In some cases the purchaser and the seller may have to test a commercial shipment of one or more specific materials by the best available method even though the method has not been recommended for acceptance testing of commercial shipments. In such a case, if there is a disagreement arising from differences in values reported by the purchaser and the seller when using this method for acceptance testing, the statistical bias, if any, between the laboratory of the purchaser and the laboratory of the seller should be determined with each comparison being based on testing specimens randomly drawn from one sample of material of the type being tested. 5.2 A knowledge of the average length and length distribution of fibers is important to fiber processors. This method is useful for inplant control testing and for research purposes. |
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1. Scope | ||||||||||
1.1 This test method covers the estimation of the average fiber length and length distribution of wool in nonparallel assemblies, such as scoured wool, and in card sliver. 1.2 This test method is applicable to many fibers other than wool if in the form of a nonparallel assembly or in a card sliver. 1.3 This test method is not applicable to unscoured wool or to wool top. 1.4 This test method specifically requires length in inches and mass in metric units, and is not contrary to ASTM policy. The values stated in inch-pound units are to be regarded as the standard. The information in parentheses is for information only. 1.5 This standard does not
purport to address the safety concerns, if any, associated with its
use. It is the responsibility of the user of this standard to
establish appropriate safety and health practices and determine the
applicability of regulatory limitations prior to use.
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2. Referenced Documents | ||||||||||
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