These types will however, show up as backing materials of tufted as as well as carpets that have been woven. Cotton Cotton is a vegetable seed fiber that is produced from the cotton plant. The primary use for this fiber is yarns woven in carpet or rugs. Cotton is resistant to alkaline solutions and becomes stronger when it is wet. To put it in other terms - don't let the spill sit. The longer the spill or product sits on your carpet, the deeper in it will go. A larger spill that has time to seep into the carpet and into the padding and reaches the floor boards is one type of spill that will need extensive cleaning. Therefore, you'll need to move quickly and effectively. Another factor with quality carpet is the twist level or the number of twists in 1 inch length of fiber - as the more twists you see, the better. The density of the pile will affect how the carpet will wear, while the cut of the pile will affect how the carpet looks. A plush cut carpet looks like a field of velvet with even color and it's great for a formal look. You should always make sure the soap doesn't contain bleach or lanolin. The third and best option, is to use water, it can re-hydrate the stain to help with removal. Most types of pet stains can be cleaned up by using a steam cleaner. Once you have finished, be sure to dry the area as thoroughly as possible. In hand, feel, and appearance it is similar to nylon, although it doesn't possess that same resiliency. Polyester doesn't absorb water based spills, isn't affected by urine or kool-aid, but it will absorb oil based spills. Polyester is non allergenic and mildew resistant. Acrylic/modacrylic Both of these fibers were first used as carpet yarns around the late 1940s. Woven Woven carpet is produced on a loom that is very similar to woven cloth, being cut pile. There are many different colored yarns being used and the entire process is capable of producing very intricate patterns from designs that are pre-determined. Normally, woven is the highest quality of carpet on the market.