| | * | | PP: Ploypropyleme and Olefin are the same fiber |
| | ** | | Ploypropyleme is a solution dyed fiber and all solution dyed fibers initially soil more until the process finish has been removed either by the manufacture or by two or three cleanings in the home. |
| | *** | | The spot removal of nylon can be improved by the application of a stain resist chemical such as 3M Scotchgard Stain Release. |
| | **** | | Piling occures in loop pile carpet and is the small bells of fiber which appear on the surface of the carpet and do not break off easily. |
