Vat Dyes


Quick description:

Vat Dyes are a unique class of dye, similar to Indigo, which go through a process of reduction and then oxidation, when applied to the fiber. They are available in 11 vibrant colors. A more detailed description can be found below, along with directions and the most current SDS.

Please note: These color are a representation of the actual dye. Colors may vary due due to your computer settings. Please test colors before beginning a project requiring an exact color match.

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Price From: $3.12

Vat Dyes are a unique class of dye, similar to Indigo. The dye powder is not soluble in water, nor will it dye cellulose or silk fibers, until reduction takes place usually at 120° to 140° F (50°C to 60°C). They require a reducing agent, Thiox, an alkali and Lye (not available on our website). Each 1/2 ounce jar of dye will make a vat of 1 1/4 gallons (5 liters). Vat dyes lend themselves beautifully to bound resist techniques, like shibori, because they discharge the original color all in one step, leaving a little halo around the patterned area. It's just like magic!

Suggested Auxiliaries when using Vat Dyes:
Pot Ash
Synthrapol SP, Synthrapol LF or PROsapol

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Product Directions

We are proud to offer our directions online. Explore unlimited creative possibilities and technical challenges by downloading a .pdf version of the product shown above. We recommend that before using any of our products, you review Studio Safety Guidelines to advise safety precautions and proper use of safety equipment, clean work habits and responsible use of products.

Our directions offer English metric measuring options and temperature guidelines. You will have better control over the results if you choose the metric system, however; it is most important that you use the measuring system that is most comfortable for you.


Product Safety Data Sheets (SDS)

SDS are an important component of product stewardship and occupational safety and health. They are intended to provide workers and emergency personnel with procedures for handling or working with products in a safe manner. SDS contain information pertaining to the particular product such as physical data, toxicity, health effects, first aid, reactivity, storage, disposal, protective equipment, and spill handling procedures. Please find the SDS for the product shown above 

Studio Safety Guidelines

In the event that you have an emergency situation after business hours 9-5 EST, Monday through Friday and on the weekends, here are the numbers to call:

Emergency Telephone Numbers:
800-255-3924 ChemTel. (United States)
+ 1 01 813-248-0585 (Outside the United States)