Name: Sandi
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Dye polyester and poly/cotton blends
edited by A.R. Horrocks and S.C. Anand
Country or region: England
Message: I have a white long modacrylic coat. I have worn it only when I was in Austria one Christmas. I cannot wear the coat as it has discoloured although I have had it in the correct cover. I would like to know please if and where I could have it dyed. I dare not risk dyeing the coat myself. I will look forward to your response. I love the coat but it is so discloured I cannot wear it.
No. I'm sorry, but it's extremely unlikely that anyone anywhere will be willing to dye your modacrylic coat for you. There are several reasons why:
1. I've never heard of any commercial dyeing service anywhere that redyes acrylic or modacrylic garments. The few dyeing services that exist prefer to dye only natural-fiber garments.
2. If your coat is not washable, it's not dyeable, because dyeing invariably involves a great deal of washing, both before and after the dye is applied.
3. Since dye is transparent, any discoloration will tend to show through a second application of dye.
4. The fact that your coat discolored indicates that there may be something wrong with it that would prevent dye from taking evenly.
5. Modacrylic cannot be dyed with any ordinary dye. No dye intended for natural fibers will work well on modacrylic. The only dyes suitable for modacrylic are modified basic (or cationic) dye, disperse dye, or possibly some sort of acetone-soluble dye.
6. Modacrylic cannot be dyed in room-temperature or merely hot water, but instead must be heated to high temperatures, with the correct type of dye, in order to dye it. It is extremely unlikely that you would be able to find a cooking pot large enough (the garment must be able to move about freely in the dyebath), without paying more than a new coat would cost. (Note that dyeing pots should not be re-used for food preparation.)
Disperse dye, such as iDye Poly, can be used on modacrylic for pale to medium shades, but I can't recommend that you try it on this coat, particularly given the problem of acquiring a suitable dyeing pot.
Sorry to give you such bad news. I think your best bet would be to look in resale shops for another coat similar in style to the old one.
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