BS ISO 6741-2:1987

This standard BS ISO 6741-2:1987 Textiles. Fibres and yarns. Determination of commercial mass of consignments is classified in these ICS categories:

• 59.060.01 Textile fibres in general
• 59.080.20 Yarns

This part of ISO 6741 specifies methods for obtaining laboratory samples for mass determination by one of the methods given in ISO 6741-1. The method appropriate for particular fibres is indicated in ISO 6741-4

The procedures comprise :

Nature of consignment		Procedure described
Bulk staple in bales		Hand sampling (two methods) Core sampling
Tow and strands in bales and cases		Hand sampling
Unsupported wound or coiled packages of raw silk, tow sliver, top or yarn in containers		Hand sampling
Yarn wound on supports		Cutting method Winding (four methods)

When a replicate sample is required for other tests or as a precaution against misadventure, the mass taken during sampling shall be doubled and the sample shall then immediately be halved to provide the two samples.