Physical Properties Guideline for
Key factors in assessing overall durability of a fabric vary depending on the fabric construction.
Upholstery – Woven Fabrics
ASTM D3511 (Brush Pill), Class 3 minimum
ASTM D4970, (Martindale Tester), Class 3 minimum
Pilling is the formation of fuzzy balls of fiber on the surface of a fabric that remain attached to the fabric.
ASTM D5034 (Grab Test), 50 lbs. minimum in warp and weft
Breaking strength is the measurement of stress exerted to pull a fabric apart under tension.
ASTM D4034, 25 lbs. minimum in warp and weft
Seam Slippage is the movement of yarns in a fabric that occurs when it is pulled apart at a seam.
Wrapped Panels and Upholstered Walls
ASTM D5034 (Grab Test), 35 lbs. minimum in warp and weft.
ASTM D434 for fabrics over 6 oz./sq. yard, 25 lbs. minimum in warp and weft.