How do you dye wool and silk by direct dye

How do you dye wool and silk by direct dye:

Recipe for wool dyeing by direct dye:

Dye → 2%

Common salt (NaCl)→ 10-20%

Acetic acid → 1-2%

Water → 30 times

Temperature → 90 – 100°C

Time 45 min → 1 hour

# Light shade → <0.5% dye

# Medium shade → 0.5 – 1.5% dye

# Bright / heavy shade →> 1.5% dye

Dyeing Process for wool fabric:

How do you dye wool and silk by direct dye? First, in Dye bath, you have to make Dye solution with the weight of the wool fabric, 2% of its weight with Dyestuff, and 30 times with water. Then 10-20% Common Salt (NaCl) and 1-2% Acetic acid are added to the Dye bath. The temperature of the Dye bath is raised to 90-100°C and treated for 45 min – 1 hour. Finally, the dyed material (wool) is first washed with hot water and then with cold water. https://bdfabric.com/cotton-fabric-dyeing-by-direct-dye/

# To get light shade, you need to add 0.5% dye with Dye solution of 2%.

# To get medium shade, you have to keep 0.5 – 1.5% of dye in the Dye solution.

# To get bright/heavy shade, Dye solution should be reduced from 2% to 1.5%.

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Recipe for silk fabric (Fade shade):

With boiled liquor:

Dye → 3%

Acetic acid →4%

Water → 30 times

Temperature → 60 – 80⁰C

Time→ 30-45 min

Without boiled liquor add salt 10%

Recipe for silk fabric:

Dye → 3%

Acetic acid → 4%

Common salt→ 10%

Water → 30 times

Temperature → 60 – 80°C

Time →30-45 min

Dyeing Process with boiled liquor:

Here in Dye bath, you have to make a dye solution with silk fabric with 3% Dyestuff of its weight, Acetic acid 4%, and 30 times water. Then in the dye bath, boil the dye solution at a temperature of 60 – 80°C for 30-45 minutes and wash it with cold water.

Dyeing Process without boiled liquor:

Similar to this process with boiled liquor, only Common Salt (NaCl) 10% should be added here and the dye solution cannot be boiled.