Woven Dyeing Faults

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Information about Woven Dyeing Faults
Education

Published on March 15, 2014

Author: sheshir

Source: slideshare.net

Southeast University

Prepared By : Mazadul Hasan sheshir ID: 2010000400008 13th Batch (session 2009-2013) Department : Wet Processing Technology Email: mazadulhasan@yahoo.com Blog : www. Textilelab.blogspot.com (visit) Southeast University Department Of Textile Engineering I/A 251,252 Tejgaon Dhaka Bangladesh Prepared By :

Faults in Dyeing SectorFaults in Dyeing Sector

Woven Dyeing Faults 1. White spot 2. Color spot 3. Bug spot 4. Water mark 5. Crease mark 6. Long stripe 7. Uneven shade 8. Running shade 9. Listing effect 10. Dirty mark 11. Oil spot 12. Stop mark Woven Dyeing Fault Woven Dyeing Fault 11 22 33 44 55 66 77 88 99 1010 1111 1212

Causes: a. Foreign particles present on fabric before dyeing b. Foreign particles present in the solution c. Hairiness present in fabric from brushing 1. White Spot 11 22 33 44 55 66 77 88 99 1010 1111 1212

2. Color Spot Causes: 1. Dyes & chemicals factors: a. Poor Dispersion or Solubility Properties b. Unstable chemicals c. Silicones in the dye bath d. Alkali residues in the goods e. Presence of iron 2. Improper Washing 3. Operator negligence 11 2 33 44 55 66 77 88 99 1010 1111 1212

3. Crease Mark Causes: a.Lack of balance in construction of the fabric b.Pressure of padder roller c.Direct Heating or Shock cooling 11 22 33 44 55 66 77 88 99 1010 1111 1212

4. Long Stripe Causes: a. Winding of yarn in padder roller b. Improper pressure during brushing 11 22 33 44 55 66 77 88 99 1010 1111 1212

5. Uneven Shade Causes: a. Improper scouring b. Improper bleaching c. Improper mercerization d. Low solubility of dyes & chemicals e. Negligence of operators to solubilize dyes and chemicals 11 22 33 44 55 66 77 88 99 1010 1111 1212

6. Running Shade Causes: a. Change in pick-up percentage along the length of the fabric b. Improper fabric Speed. 11 22 33 44 55 66 77 88 99 1010 1111 1212

1. Yarn Manufacturing Technology Link : http://www.facebook.com/pages/Yarn-Manufacturing-Technology/485014954866808 2. Fabric Manufacturing Technology Link : http://www.facebook.com/pages/Fabric-Manufacturing-Technology/459520217425605 3. Garments Manufacturing Technology Link : http://www.facebook.com/pages/Garments-Manufacturing-Technology/472364799463126 3. Wet processing Technology Link : http://www.facebook.com/pages/Wet-Processing-Technology-Dyeing-/468645219825404 4. Fashion-Design-and-Technology Link : http://www.facebook.com/pages/Fashion-Design-and-Technology/587655294583875?ref=ts&fref=ts My Facebook Textile related Pages http://www.textilelab.blogspot.com (Visit )

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