When dealing with color changes in carpet, it is important to know what to look for, how and if it can be corrected. When the discoloration is lighter than the color of the carpet, treatment may be difficult due to the color loss. |
Stains are discolorations to fibers. Perhaps you accidentally spilled some bleach or cleaning products on your carpet and notice it left a very light mark. Chances are you have just experienced color loss from those fibers.
A broad range of chemicals and other factors can cause color loss on carpet. Bleach is not the only culprit. Although the chemicals are different from household bleach, most acne medications, some cosmetics, hair treatments and other medications contain a form of a bleaching agent. Many common cleaning products, including many popular carpet-cleaning products, scented home deodorizing products, pesticides, pool and spa chemicals, some perfumes, aerosol sprays, laundry detergents contain bleaching agents and many other chemicals cause unwanted color loss, fading or discoloration. These areas may appear as white, orange, or yellow spots on your carpet.
Specific to the issue is one particular case where a Berber product, consisting of 93% polypropylene fiber and 7% yarn dyed nylon, is being said to have white spots appearing. Polypropylene is solution-dyed and it is virtually impossible for a bleaching or oxidizing agent or chemistry to change the color. It is loathe to have color taken from it because the color pigment is an integral part of the fiber.
Additionally, polypropylene is hydrophobic, which means it pushes water away. Any water-based agent or substance is naturally repelled by polypropylene. Water or a liquid substance may go into the carpet but it won't be absorbed by this fiber. Polypropylene can be cleaned with bleach and it will have no affect on the broadloom's color. As with any colored material, it can fade in the sun with enough exposure but, indoors, this will happen so slowly and gradually it may never be noticed.
It is intriguing to hear of a color issue on polypropylene like this because it suggests something else is going on at the installation site to create the complaint condition. What is not happening is something bleaching the color out of the predominant polypropylene fiber content in this carpet, of that you can be sure.
On the other hand, nylon that is dyed with a post-dyed system can fade with exposure to sunlight, ozone or oxides of nitrogen. These naturally occurring conditions are so common that broadloom is routinely tested for the effects of this triad of color killers. Manufacturers know this and can build the fiber to resist these color influences or add special inhibitors to prevent or lessen their effects.
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