Jaycarp Jaycarp
What would happen if you did not heat set Dye Na Flow when it was used on silk that would not be laundered later? I guess what I'm really asking is can you heat set it on silk using a hair dryer, or is heat setting necessary if the item will not be in contact with water?

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Celia Buchanan Celia Buchanan
Dye-na-Flow is an acrylic and will bond onto the fibers over time. If its not being laundered then its not essential to heat set it. Once dry the DNF shouldn't bleed though we dont recommend washing the fabric prior to heat setting. Blasting with a hairdryer when wet helps set the paint.
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