Instructions for Jacquard Acid Dyes

Stove Top Immersion Dyeing with Jacquard Acid Dyes

1. Fill a stainless steel or enamel pot with just enough hot or warm water for the fabric to swim freely, turn on the heat.
2. Add the dye powder to the pot and stir. Normally, in this procedure you would add 2 to 4% of the dry weight of the fabric in dye powder. For example, if you are dyeing 1 pound of fabric, use 1/3 to 2/3 of an ounce of dye.
3. Add the fabric that has been thoroughly wetted to the dyepot.
4. Raise the temperature to 185 to 200 degrees, just below boiling. Stir frequently.
5. Add ¼ cup of vinegar per pound of fabric. Try not to pour directly onto the fabric. Or add 1 Tbs. of Citric Acid per lb of dry fabric if you don't like the smell of vinegar.
6. Maintain temperature and stir frequently for ½ hour. Wash in Synthrapol or Professional Textile Detergent and warm water.

Note: If you are dyeing wool, a gradual heating and gradual cooling of the dyebath is important so as not to shock and felt the wool.

Silk Painting with Jacquard Acid Dyes

For professional silk painters who steam set, liquid acid dyes provide the brightest, most intense colors. To make your own liquid acid dyes for silk painting, use the following recipe:

1. Stock Solution
   • Add 8 oz. (1 cup) of very hot water to one .5 oz. jar of Jacquard Acid Dye powder.
   • Stir until dissolved. This will yield a very concentrated dye stock solution. Most colors require further dilution. Note: Every color has a different solubility. Some colors are difficult to dissolve, but most are easily dissolved. A small amount of alcohol (about 1 tablespoon) can be added to the dye solution as a wetting agent.
2. The final concentration of the dye solution for painting should be between 4 and 8%. Start by adding 4 oz. (1/2 cup) of water to the 8 ounces of stock solution you have, test the color and continue adding water until desired shade is achieved.

Keep in mind that the color intensity really develops in the steam setting process. Most colors will remain stable in solution for a long period of time. However, some colors will fall out of solution upon cooling or from sitting for a matter of weeks. To restore them simply heat them on the stove.

Screen Printing, Stamping & Painting with Jacquard Acid Dyes

The traditional method of printing with dye is to add the dye to a thickener paste. This method can be used for screen printing, hand-painting, and stamping and many other direct application techniques. It is important to prepare the fiber by washing to remove the sizing.

1. Wash, dry and iron the fabric.
2. Prepare dye thickener paste (see below).
3. Add dye, either powder or stock solution, to thickener. Proportion the dye in the container in relation to the amount of thickener paste and desired intensity.
4. Print, paint, or stamp on fabric.
5. Air dry. Steam set. (See Steam setting directions.)

Preparing Dye Thickener

When screen printing with dye thickened with sodium alginate, the print base should be as thin as the image will allow. Dye printed in too thick a base will halo from the image before the fabric is cured or will accumulate in the corners, altering the image. Sodium Alginate SH is a high viscosity, low solids type of alginate thickener used primarily for cotton and other cellulose fibers. It may also be used for silk when fine line definition is not required. Sodium Alginate F is a low viscosity, high solids alginate used for silks and synthetics when fine line definition is desired. Use about 2 1/2 times more of the F to equal the viscosity of SH.

1. Mix chemical water by adding ¼ cup of urea and 1 Tablespoon of vinegar to 1 quart of water.
2. Sprinkle sodium alginate over water and stir constantly for 10 minutes, OR mix in blender.
3. Let stand for a few hours or overnight before using. Mixture may be stored in refrigerator for many months.