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Acrylic fabrics, when improperly dyed, can turn out uneven in colour, splotchy or even be ruined. In some cases, when using the wrong dye or the wrong method for dyeing, acrylic material will not take the new colour at all or it will be faint and uneven. With the proper tools, however, colouring acrylic fabric is a relatively simple process.
Dissolve 1 tsp of dye into a cup of hot water.
Add dye and water mixture to 2 to 3 gallons of cold water in a dye bath and stir well.
Add 1 tbsp of acetic acid or 11 tbsp of 5-per cent-strength white vinegar (basic vinegar found in most grocery stores) to dye bath and stir well.
Add wetted-out fabric to dye bath.
Raise temperature of dye bath to about 96.1 degrees Celsius over 30 to 60 minutes.
Allow dye bath to cool overnight.
Rinse fabric and dry thuroughly.
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