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1.1 This test method covers the measurement of the length and length uniformity of cotton fibers by use of photoelectric measurement. The test method is applicable to fibers taken from raw or partially processed cotton (up to card mat) or some types of cotton waste, but not to fibers from blends of cotton with other fibers or to fibers recovered from cotton yarns, fabrics or to 100 % systhetic fibers.
1.2 This test method is especially adapted for determining the length and length uniformity of cotton fibers by models of the Digital Fibrograph, hereafter referred to as Fibrograph.
Note 1—Instructions for the use of Manual and Servo Fibrograph Models were included in the text of Test Method D 1447 in 1971 and previous editions.
Note 2—For other methods covering the measurement of the length of cotton fibers refer to Test Method D 1440
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D123 Terminology Relating to Textiles
D1440 Test Method for Length and Length Distribution of Cotton Fibers (Array Method)
D1441 Practice for Sampling Cotton Fibers for Testing
D1776 Practice for Conditioning and Testing Textiles
D3025 Practice for Standardizing Cotton Fiber Test Results by Use of Calibration Cotton Standards
D7139 Terminology for Cotton Fibers
ICS Number Code 59.060.10 (Natural fibres)
UNSPSC Code 11151507(Cotton fibers)
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ASTM D1447-07e1, Standard Test Method for Length and Length Uniformity of Cotton Fibers by Photoelectric Measurement, ASTM International, West Conshohocken, PA, 2007, www.astm.orgBack to Top