I've marbled on silk, 100% cotton and muslin. I have also used pre-
dyed permanent press fabric with no problems. Maybe I was just
lucky. I prewash all of them with Synthrapol and soak them in alum,
then iron them before. After marbling them, I rinse them by hand in
two different large buckets of cold water, then hang them for 24
hourse, put them through a rinse cycle in my washing machine with
cold water and a small amount of unscented fabric softener, then in
the dryer for a half hour , then iron them. I haven't had any trouble
with any fading after this process.
I use several different brands of paints, including Golden and use
Photo-flo or Golden acrylic flow release as a surfactant. I have had
good luck also with a cheaper brand that I have found here, but it
only comes in a few colors, so then youu mix them for other colors -
Artworks Artist Quality Acrylics by Pro Art. Their black works
especially well and they never separate in the bottles, like the
cheaper ones do. It's a bargain here at $8 for a $16 oz bottle. It's
probably cheaper in the states. Everytrhing is more here because of
the shipping charges.
Golden has the best range of colors, however the Golden color I
had the most trouble with was Carbon Black - it kept "bleeding" off
the paper even as it was being rinsed.
I talked to Galen Berry for quite awhile one time and he said he
considered Utrecht paints to be the best he's used.