Astm D 3990 – 99 pdf free download

Standard Terminology Relating to
Fabric Defects1

This standard is issued under the fixed designation D 3990; 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 terminology covers defects in both woven and knit
fabrics. Descriptions of the defects, illustrations, and related
material are given under the most frequently used terms;
synonym(s) are listed in parentheses and cross-referenced.

2. Terminology

2.1 Definitions:
abrasion mark, n—an area damaged by friction. (Syn. chafe
apron mark—See decorating mark.
baggy cloth—See wavy cloth.
baggy selvage—See slack selvage.
balling up—See fuzz ball.
barré, n—an unintentional, repetitive visual pattern of continuous bars and stripes usually parallel to the filling of
woven fabric or to the courses of circular knit fabric.
(Compare warp streak, mixed filling)
DISCUSSION—The term “barré” is sometimes used as a synonym for
“warp streaks” in warp knit and woven fabrics. Barré can be caused by
physical, optical, or dye differences in the yarns, geometric differences
in the fabric structure, or by any combination of these differences.
beaded selvage—See loopy selvage.
bias—See skew.
birdseye, n—in knitted fabrics, an unintentional tuck stitch.
blanket mark—See sanforizing mark.

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