Quote:
Originally Posted by jmpgino
Manufacturer has said that the stain is permanent.
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Plasticizers are chemicals that are blended into polymers to soften and/or enhance certain properties. Since they are not chemically reacted to the polymer (i.e., plastic), they are mobile and can diffuse in and out with the net flow from the area of higher concentration to an area of lower concentration. Their diffusion out of plastics it what creates that new car smell that is so familiar.
Your job is to get those chemicals to diffuse back out of your vinyl floor and heat is your friend. While there may always be a mark, my guess is that the discoloration will lessen with time. GL, Dave