Polyester’s popularity seems to go up and down like a roller coaster. Because it’s relatively inexpensive to produce, manufacturers are regularly reintroducing this fiber to the carpet industry. Although it has some excellent qualities, and is a great fiber for clothing, it does have some limiting factors when used in carpet.
PROS
Since polyester does not have dye sites, it is usually dyed with a disperse dye or solution dye method which makes it very resistant to bleaching, fading and soil dye reactions.
Stain Resistant – This applies only to water based stains. Low Absorbency – Quick drying
CONS
Polyester is difficult to dye and usually must be solution dyed which limits the variety.
It is not resistant to oily stains, and in fact an oily spill or spot left without proper cleanup can oxidize and even chemically bond with and become part of the fiber. You need to know that some of these spots just won’t come out.
Crimp Loss – Early polyester was a mess. A new polyester carpet was fuller, fluffier and more luxurious than anything on the market. Six-month-old polyester was an owner’s nightmare. Due to loss of twist and crimp, long strait fibers were left in the traffic areas, which caused matting and tangling and destroyed the original look of the carpet. Definite improvements have been made by heat setting and using finer yarns, but crimp loss can still be a problem. This is a characteristic of polyester, not a defect.
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