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ASTM-D2130:2001 Edition

ASTM-D2130:2001 Edition

$44.96

D2130-90(2001) Standard Test Method for Diameter of Wool and Other Animal Fibers by Microprojection

Published By Publication Date Number of Pages
ASTM 2001 11
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1.1 This test method covers a procedure, using the microprojector, for the determination of the average fiber diameter and the fiber diameter variation on wool and other animal fibers, such as mohair, cashmere, alpaca, camel’s hair, etc. (Note 1) in their various forms.

1.2 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units may be approximate.

Note 1–This test method may also be applied to any fibers having a round cross section and accordingly may be used many times for melt-spun man-made fibers such as polyamides, polyesters, and glass; also it may be applied to a limited number of polyacrylics and regenerated cellulose type fibers. The values given in Appendix X1 for density and correction factors, however, apply only to wool and should not be used for other fibers. For suitable values for the density of other fibers, see Table 5 in Test Methods D629, Quantitative Analysis of Textiles.

Note 2– In subsequent sections of this test method, the term ‘wool’ also signifies mohair or other fibers if the circumstances are applicable.

Note 3–For fineness specifications for wool, wool top, mohair, mohair top, alpaca, and cashmere, refer to Specifications D3991 and D3992, Specification D2252, Test Method D2816.

1.3 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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Summary of Test Method
Significance and Use
Apparatus and Material
Sampling
FIG. 1
3 FIG. 2
4 Test Specimens
Calibration of Microprojector
Conditioning
Test Provisions
Preparation of Slides by Use of Heavy-Duty Cross-Section Device
FIG. 3
5 Preparation of Slides by Use of the FRL Fiber Cutter
Procedure
FIG. 4
6 Number of Fibers
Calculation
Report
Precision and Bias
Keywords
FIG. 5
FIG. 6
7 A1. DATA FOR PRECISION OF MEASUREMENTS AND EXAMPLES OF CALCULATIONS
A1.1
TABLE A1.1
8 TABLE A1.2
TABLE A1.3
9 X1. ESTIMATION OF LINEAR DENSITY OF WOOL FIBER IN TEX UNITS FROM MICROPROJECTION MEASUREMENTS OF THE FIBER DIAMETER
X1.1 General Equation
X1.2 Equation for Wool
TABLE A1.4
10 X1.3 Application to Wool Top Grades and to Wool Yarn
TABLE X1.1

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