Glossary of Terms
CrushingThe collapsing of pile yarns, resulting in carpet matting and loss of resilience. This form of carpet failure usually occurs in the areas of heaviest traffic. It is also called "matting" and "walking out." It can be minimized by the use of more resilient fibers, denser construction, somewhat higher weight and (in cut pile) with higher tuft twist and proper heatsetting.
Wool Carpets: The Best Carpets for Allergies... that’s ideally suited for carpets and upholstery. New Zealand wool is also naturally white so it readily accepts dyes for beautifully vibrant colors and patterns. And wool has built-in resistance to crushing, so carpet fibers bounce back even after repeated wear. Add to that its natural tendency to resist soil and stains and you can understand why wool makes the best carpet for allergy sufferers....