ASTM D 1447 Standard Test Method for Length and Length Uniformity of Cotton Fibers by Photoelectric Measurement
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ASTM D 1447 Document Information:
Title
Standard Test Method for Length and Length Uniformity of Cotton Fibers by Photoelectric Measurement
ASTM International
Publication Date:
Dec 1, 2007
Scope:
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.
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.
The values stated in SI units are to be regarded as standard. No
other units of measurement are included in this standard.
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.
Keywords:
- cotton
- length
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