black polyester dye persists in bleeding


Name: Marc
Message: I hope you can help. We sell a product that is made of Charmeuse stretch satin. It is represented to be run proof, however, several customers are complaining that the black dye in the product is "bleeding" on other fabric. Our local manufacturer believes it is caused by customers using lotions or moisturizers before using our product. We had this problem with another brand of stretch satin fabric, too. It is ruining our business. How do we locate a run proof fabric, that still has the comfortable qualities of the Charmeuse that our customers love? Any insight you can provide would be greatly appreciated? P.S. Our manufacturer has tried multiple washings of the fabric and applying dye fixatives before assembly, but they still bleed!

Is the charmeuse made of silk or polyester?

It is a polyester Charmeuse stretch satin.

Can you choose a completely different fabric? Silk charmeuse can be dyed much more easily than polyester charmeuse. There are so many different dye choices for silk, but only one class of dye that will work on polyester. Polyester can be dyed only with a type of dye called disperse dye, which is dispersed into the fiber with heat; the dye does not bond directly to the polyester fiber and may disperse back out under certain circumstances. In contrast, silk can be dyed with any of several different classes of dye, including fiber reactive dyes which form a permanent bond to the silk fiber.

Silk is washable if it is pre-washed before it is sewn together. Here is a link to one source for a stretch silk charmeuse. Since it contains a blend of silk and lycra, I recommend the use of fiber reactive dye.

I think that it is necessary to assume that most of your female customers will put lotions on their faces before going to bed, and that many of the male customers will have oily faces and will therefore have a similar problem.

Black dyes is always going to represent much more of a problem than other colors, because a much larger quantity of dye must be used per unit of fabric. If you were to use the same fabric that you are using now but in a light beige or other pale pastel color, it would probably not cause nearly as much trouble. Unfortunately, it will show dirt more, but if the product is fully washable this should not be a huge problem.


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Posted: Friday - November 28, 2008 at 08:24 PM          

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