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Woven Dyeing Faults

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Woven Dyeing Faults

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  1. Southeast University

  2. Prepared By : 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

  3. Faults in Dyeing Sector Faults in Dyeing Sector

  4. Woven Woven Dyeing Fault Dyeing Fault Woven Dyeing Faults 1 1 2 2 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 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12

  5. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 11 12 10 11 12 1. White Spot Causes: a. Foreign particles present on fabric before dyeing b. Foreign particles present in the solution c. Hairiness present in fabric from brushing

  6. 1 1 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 11 12 10 11 12 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

  7. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 11 12 10 11 12 3. Crease Mark Causes: a.Lack of balance in construction of the fabric b.Pressure of padder roller c.Direct Heating or Shock cooling

  8. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 11 12 10 11 12 4. Long Stripe Causes: a. Winding of yarn in padder roller b. Improper pressure during brushing

  9. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 11 12 10 11 12 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

  10. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 11 12 10 11 12 6. Running Shade Causes: a. Change in pick-up percentage along the length of the fabric b. Improper fabric Speed.

  11. http://www.textilelab.blogspot.com (Visit ) My Facebook Textile related Pages 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

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