ASTM D 2645 Standard Tolerances for Yarns Spun on the Cotton or Worsted Systems
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ASTM D 2645 Document Information:
Title
Standard Tolerances for Yarns Spun on the Cotton or Worsted Systems
ASTM International
Publication Date:
Jan 1, 2007
Scope:
These tolerances are applicable to all yarns spun on the cotton
or the worsted system, either carded or combed, and composed of any
fiber or mixture of fibers, except cotton tire cords and novelty or
fancy yarns.
These tolerances are applicable only to yarns taken from
packages, and not to yarns taken from greige or processed
fabrics.
NOTE 1—For tolerances for other spun yarns, see Tolerances D
2644, Methods D 179 and D 738, and Specifications D 541 and D
681.
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:
- appearance
- commercial mass
- cotton system
- extractable matter
- strand
- tolerance
- twist
- strength
- unevenness
- worsted system
- yarn
- yarn-number
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