Testing Services >> Yarn, Fabric and Garment Analysis
Jill McCann
828-327-7000 ext 4520

Yarn, Fabric and Garment Analysis

Test Method(s):
    · ASTM D 1059 & 2260 - Yarn, Denier & Filament
    · ASTM D 3661 (modified) - Staple Length
    · ASTM D 3887 - Needle/Course Count/ Spinning Type
    · ASTM D 1423 &2260 - Twist in Yarns
    · AATCC/ASTM Test Method-002 - Fabric Construction

Test Method(s) - Yarn Package Only:
    · ASTM D 2256 - Statimat
    · ASTM D 1907/1578 - Yarn Number/Brush by Skein Method
    · ASTM D 3108 - Friction
    · ASTM D 2259-02 - Shrinkage of Yarns in Skein
    · ASTM D 1425-81 (modified) - Unevenness Tester

ASTM D 1059-01 & 2260-03, Yarn Count, Denier Count, & Filament Count of Yarns


Scope: To determine the yarn number and filament count of all types of yarns

  • Measure length of sample
  • Weigh in grams
  • Calculate count
  • Count filaments

Click on this link Yarn Calculator, for converting different yarn numbering systems




ASTM D 3661-79, Modiffied Staple Length of Fiber


Scope: To determine the population of staple length of fiber.

  • Separate fibers
  • Measure in inches
  • Report average of population




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ASTM D 3887-96 - Needle Count/Course Count

Needle Count

Scope: To determine number of wales loops per unit distance and course loops per unit distance.

  • Count wale loops
  • Count course loops





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ASTM D 1423-02 & 2260-03 Twist in Yarns by Direct-Counting Method

Twist Tester

Scope: To Determine the amount and direction of twist/TM in single or plied yarns.

  • 10" sample
  • Mount in twist testers
  • Rotate until twist is released
  • Retwist (if single)
  • Calculate
  • Report



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Air Jet SpinningASTM D 3887-96(04) Spinning Type

Scope: To determine type of spinning used to produce yarn.

  • Microscopic examination
  • Report



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PPI (Pick Per Inch)AATCC/ASTM Test Method-002-Fabric Construction/PPI (pick per inch)

Scope: Determines components of fabric/garment.

  • De-knit/Knitting/Woven
  • Pattern of yarns
  • Filament Counts
  • Calculate
  • Report



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StatimatASTM D 2256-02 Breaking Load (Strenth) and Elongation of Yarn by the Single Strand Method

Scope: Determines breaking load and elongation of monofilament, multifilament and spun yarns.

  • Creel yarns
  • Determine testing parameters
  • Discuss/Report results with customer







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Skein MethodASTM D 1907-80 Yarn Number by the Skein Method
ASTM 1578-93 Breaking Load (Strength of Yarn by Skein Method

Scope: Determines yarn numbers and strength in all type of yarns in package form

  • Reel 120 yd (reelings)
  • Weigh in grams
  • Record
  • Loop on scott test/break
  • Record break
  • Calculate - yarn count/break/break tractor
  • Report



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Friction MeterASTM D 3108-07 Coefficient of Friction, Yarn to Metal

Scope: Determines measurement of kinetic frictional properties of a moving yarn in contact with a solid material.

  • Creel package
  • Start test
  • Run sample 2.5 minutes
  • Record friction
  • Report



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shrinkageASTM D 2259-02 Shrinkage of Yarns in Boiling Water or Dry Heat

Scope: This method covers the determination of shrinkage of yarns in skein form when immersed in boiling water or exposed to dry heat for specific time periods.

  • Prepare skeins
  • Measure skeins (in inches)
  • Place in sampling bag
  • Place in boiling water for specified time (Wet only)
  • Place in oven (65°C/145°F) for 1 hour
  • Remove from oven allow to dry completely
  • Measure skein (in inches)
  • Calculate
  • Report



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ASTM D 1425-81 (modified) Unevenness of Textile Strands

DS 65

Scope: Records indirect measurement of unevenness of textile strands by means of continuous runs on DS-65.

  • Creel package
  • Designate parameters
  • Run test
  • Report