Astm D 3882 – 99 pdf free download

Standard Test Method for
Bow and Skew in Woven and Knitted Fabrics1

This standard is issued under the fixed designation D 3882; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This test method covers the determination of bow and
the skew of filling yarns in woven fabrics and the courses in
knitted fabrics.

1.2 This test method can also be used to measure the bow
and skew of printed geometric designs such as plaids.

1.3 The values stated in either SI units or inch-pound units
are to be regarded separately as the standard. Within the text,
the inch-pound units are shown in parentheses. The values
stated in each system may not be exact equivalents; therefore,
each system shall be used independently of the other. Combining values from the two systems may result in nonconformance
with this test method.

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

2.1 ASTM Standards:
D 123 Terminology Relating to Textiles2
D 1776 Practice for Conditioning Textiles for Testing2
D 2904 Practice for Interlaboratory Testing of a Textile Test
The method that Produces Normally Distributed Data2
D 2906 Practice for Statements on Precision and Bias for
D 3774 Test Method for Width of Woven Fabric3
D 3990 Terminology Relating to Fabric Defects3

2.2 AATCC Test Method:
AATCC 179 Skewness Change in Fabric and Garment
Twist Resulting from Automatic Home Laundering4

3. Terminology

3.1 Definitions:

3.1.1 bow, n—a fabric condition resulting when filling yarns
or knitting courses are displaced from a line perpendicular to

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