| WOOL | VERY GOOD | LOW UNLESS TREATED | EXCELLENT | GOOD | THE STANDARD BY WHICH OTHER CARPET FIBERS ARE JUDGED. LOW RESISTANCE TO STATIC UNLESS TREATED |
| NYLON | EXCELLENT | MOST ARE TREATED TO ENHANCE STAIN RESISTANCE | VERY GOOD | VERY GOOD | THE MOST POPULAR CARPET FIBER. HAS GOOD STATIC CONTROL. SUITABLE FOR ALMOST ANY APPLICATION |
| POLYPROPYLENE | VERY GOOD | EXCELLENT INHERENT STAIN RESISTANCE | LOW | RESPONDS WELL | THE SENCOND MOST POPULAR FIBER. BEST SUITED TO LOOP-PIL CONSTRUCTIONS OR HIGH VERY DENSE CUT PILES |
| POLYESTER | VERY GOOD | BUILT-IN STAIN RESISTANCE TO CERTAIN TYPES OF ACID DYES | FAIR | GOOD | BETTER SUITED TO LOW TRAFFIC AREAS SUCH AS BEDROOMS AND LIVING ROOMS |