Newest batch of F3 Fleece testing with Acid Dye 3/1/23
Method: Solid color acid dye procedure. Being careful to heat dyebath to between 194.0 °F- 212.0 °F (90~100 degrees Celsius), this heat is maintained for 30 minutes, during the dye process and then kept warm for 20~30 minutes after dyeing.
Tools: Test #1 with a Leveling Acid dye color: F3 Fleece 4 ounce sample (¼ yard), Dharma Acid Dye color #416 Peacock Blue dyed at 1.5% OWG = 0.06 oz., Citric Acid: 1/2 Tbsp.
Notes: Added water, dye and pre-dampened fabric to pot of water and placed on stove. Brought heat up to 190.4 degrees, after approximately 15 minutes of stirring to integrate the dye and fiber, added the Citric Acid to the pot (scrunched fabric aside and poured into dye solution slowly over a few minutes, stirring as I went). Maintained heat around 195 degrees for 30 minutes. Then turned down the heat and kept pot at warm for 25 minutes. Let pot then reduce to room temperature, removed item, rinsed in cold water and then washed with textile detergent.
*Result: Fleece dyed with Dharma Acid Dye color #416 Peacock Blue
Test #2 with Pre-metallized/ advanced Acid dye color: F3 Fleece 4 ounce sample (¼ yard) Dharma Acid Dye color #432 Antique Mauve dyed at 1.5% OWG = 0.06 oz. Ammonium Sulfate: ½ Tbsp.
Notes: Added water, dye, Ammonium Sulfate and pre-dampened fabric to pot of water and placed on stove. Brought heat up to 190.4 degrees. Maintained heat around 195 degrees for 30 minutes. Then turned down the heat and kept pot at warm for 25 minutes. Let pot then reduce to room temperature, removed item, rinsed in cold water and rinsed again with textile detergent.
*Result: Some edges ended up a tiny bit splotchy - but overall very good result. Suspect that the advanced dyes are more picky with how they strike on nylon as the nylon needs to hit that high temperature for best results.
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