Physical Properties

Physical property tests include: Brush Pill, Breaking Strength, and Seam Slippage.

Pilling is the formation of fuzzy balls of fiber on the surface of a fabric that remain attached to the fabric.

Breaking strength is the measurement of stress exerted to pull a fabric apart under tension.

Seam slippage is the movement of yarns in a fabric that occurs when it is pulled apart at a seam. > download Physical Properties
Upholstery
Brush pill ASTM D3511, Class 3 minimum or
Martindale Tester ASTM D4970, Class 3 minimum

Breaking Strength ASTM D5034 (Grab Test)
50 lbs. minimum in warp and weft

Seam slippage ASTM D4034
25 lbs. minimum in warp and weft
Wrapped Panels and Upholstered Walls
Breaking strength ASTM D5034 (Grab Test)
35 lbs. minimum in warp and weft
Drapery
Seam Slippage ASTM D3597-D434 for fabrics over 6 oz. sq.yard
25 lbs. minimum in warp and weft
QuickTime Movies (click links to play) Brushpill - Part 2 Brushpill - Part 1 Seam Slippage Tensile