ASTM D4120

1.1 This test method describes the measurement of fiber cohesion as the dynamic cohesive force required to maintain drafting in rovings, slivers or tops when they are subjected to stress induced by passing between pairs of drafting rolls of different surface speeds. The cohesive force is converted to cohesive tenacity based on the linear density of the material. For static tests refer to Test Method D 2612.

This standard does not purport to address all of 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.

2. Referenced Documents

ASTM Standards
D123 Terminology Relating to Textiles
D1440 Test Method for Length and Length Distribution of Cotton Fibers (Array Method)
D1447 Test Method for Length and Length Uniformity of Cotton Fibers by Photoelectric Measurement
D1575 Test Method for Fiber Length of Wool in Scoured Wool and in Card Sliver
D1776 Practice for Conditioning and Testing Textiles
D2258 Practice for Sampling Yarn for Testing
D2612 Test Method for Fiber Cohesion in Sliver and Top (Static Tests)
D3333 Practice for Sampling Manufactured Staple Fibers, Sliver, or Tow for Testing
D4849 Terminology Related to Yarns and Fibers
D519 Test Method for Length of Fiber in Wool Top

Index Terms

fiber cohesion; textile strands; ICS Number Code 59.080.20 (Yarns)

Citing ASTM Standards

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