Test Methods

Listed below are typical test methods performed in the Physical Testing Laboratory. If your method is not listed, or if you are interested in a method that is not a published standard, please call for assistance. It is possible that we can tailor a method to suit your needs. We would also be happy to discuss performance of test standards published by other organizations.

Contact:

Teresa White, Physical Testing Research Specialist

Phone Number: 919-515-6523

Email:  tjwhite2@ncsu.edu

General Testing
Test Method Description
ASTM D629 (Sec 9) Moisture Regain (microwave drying system)
N/A Video Microscopy (defect and construction analysis, digital imaging measurements)
Fiber Testing
Test Method Description
ASTM D3937 Crimp Frequency
AATCC TM 20 Fiber Identification
N/A Length and Nep Count of Cotton Fibers – AFIS method
ASTM D5332 Length Distribution of Fibers up to 2.5″ – Peyer method
ASTM D1577 Linear Density
ASTM D2612 Sliver Cohesion
ASTM D3822 Tensile Properties (single fiber)
Yarn Testing
Test Method Description
ASTM D1059 Yarn Count (short lengths-for yarns raveled from fabrics)
ASTM D1907 Yarn Count (skein method)
ASTM D1425 Yarn, Sliver, or Roving – Unevenness and Hairiness (Uster Tester 5)
ASTM D3108 Yarn Coefficient of Friction (yarn to solid object)
ASTM D2259 Skein Shrinkage (hot air or boiling water)
ASTM D2256 Yarn Tensile Properties (single end; options include use of Uster Tensorapid or Tensojet for automated testing)
ASTM D1422 Twist in Singles Yarn
ASTM D1423 Twist in Plied Yarn
Fabric Testing
Test Method Description
ASTM D3885 Abrasion – Flex and Abrasion
ASTM D4157 Abrasion – Oscillatory Cylinder (Wyzenbeek)
ASTM D4966 Abrasion – Martindale
ASTM D3884 Abrasion – Rotary Platform (Taber)
AATCC TM 79 Absorbency
ASTM D737 Air Permeability (Frazier)
ASTM D6797 Burst Strength – Ball Burst
ASTM D3786 Burst Strength – Hydraulic (Mullen)
ASTM D3786 Burst Strength – Pneumatic (TruBurst)
AATCC EP 6 Color Measurements
AATCC TM 88C Crease Retention after Laundering
AATCC TM 96 Dimensional Stability after Commercial Laundering
AATCC TM 150 Dimensional Stability (garments)
AATCC TM 135 Dimensional Stability (fabrics after home laundering)
ASTM D3775 Ends and Picks Count of Woven Fabric
ASTM D3887 Courses and Wales Count of Knitted Fabric
ASTM D3776 Fabric Weight
AATCC TM 8 Fastness to Crocking (Crockmeter)
AATCC TM 116 Fastness to Crocking (Rotary Vertical)
AATCC TM 190 Fastness to Home Laundering with Activated Oxygen Bleach: Accelerated
AATCC TM 61 Fastness to Laundering (Accelerated)
AATCC TM 15 Fastness to Perspiration
AATCC TM 172 Fastness to Powdered Non-Chlorine Bleach in Home Laundering
AATCC TM 188 Fastness to Sodium Hypochlorite Bleach in Home Laundering
AATCC TM 107 Fastness to Water
ASTM D3511 Pilling – Brush Method
ASTM D4970 Pilling – Martindale
ASTM D3512 Pilling – Random Tumble
ASTM D1683 Seam Slippage
AATCC TM 88B Seam Smoothness
AATCC TM 179 Skewness Change from Home Laundering
AATCC TM 124 Smoothness Appearance
ASTM D5362 Snag Resistance (Bean Bag)
ASTM D3939 Snag Resistance (Mace)
AATCC TM 130 Soil Release
ASTM D1388 Stiffness – Cantilever Bend
ASTM D4032 Stiffness – Circular Bend
BS 5058:1973 Stiffness – Cusick Drape
ASTM D1424 Tear Strength – Elmendorf
ASTM D2261 Tear Strength – Tongue Tear
ASTM D5587 Tear Strength – Trapezoid
ASTM D5034 Tensile (Grab test)
ASTM D5035 Tensile (Strip test)
ASTM D1777 Thickness
AATCC TM 22 Water Repellency (Spray test)
AATCC TM 127 Water Resistance (Hydrostatic – Suter tester)
(Option 1)
AATCC TM 110 Whiteness Index Measurements
AATCC TM 128 Wrinkle Recovery (Appearance Method)
ASTM D1059 Yarn Count (Short lengths-for yarns raveled from fabrics)