ASTM D4120 - 07(2018)

Standard Test Method for Fiber Cohesion in Roving, Sliver, and Top in Dynamic Tests

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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. Note 1: For static tests refer to Test Method D2612.1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Te

Number of pages: 3

International relationships :

ICS: 59.080.20 - Yarns

Item number: A004785