Silkpaint! Water-soluble Resist

The Silkpaint! company has specialized in this resist for 30 years, and it shows. It has a lot of uses and advantages:

• Paint while resist is still wet
• Add dyes to make colored resists
• Use as a stop-flow when thinned with water
• Clear is steam-able, or can be used with iron-set silk paints (Must steam set Black)
• Remove with cool water
• No fumes, non-toxic

For a water based resist, this one holds the lines well for silk thicknesses up to 16mm. The formula has been recently tweaked to wash out easily from the silk.

The Black Resist Must Be Steam Set using the stovetop steaming method. Unlike other colored water based resists, which behave more like a paint, this acts like a clear resist with dye in it. When you steam it, you set the dye in the resist as well as the dye of your painting. When you wash it, you wash out the resist and leave the dye.
Silkpaint! Black Resist has been formulated to provide a strong black line when steam-set with acid (French-type or acid recipe) dyes.

Please note: This resist is formulated for acid-based pH dyes (French-type dyes, or other acid-recipe pH dyes). 
If the resist is subjected to fixatives that are alkaline in pH, or the prolonged high heat steam-setting of alkaline-recipe/alkaline pH dyes, it changes the acid pH composition of the resist and can make it stick to the silk and hard to wash out.
The best thing you can do at this point is rinse in a bath of white vinegar (so it returns the Silkpaint resist to its original acid pH) and GENTLY brush with a SOFT toothbrush over the lines. Water-based resist washes out easily when used with both iron set paints and steam set silk dyes.