Woven Dyeing Faults

Textilelab.blogspot.com visit Southeast University Department Of Textile Engineering I/A 251,252 Tejgaon Dhaka Bangladesh Prepared By :... Faults in Dyeing Sector... Woven Dyeing Fault

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 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

Dyeing Fault

Dyeing Fault

11

22

33

44

55

66

77

88

99

10

11

12

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

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

3 Crease Mark

Causes:

a.Lack of balance in construction of the fabric

b.Pressure of padder roller

c.Direct Heating or Shock cooling

4 Long Stripe

Causes:

a Winding of yarn in padder roller

b Improper pressure during brushing

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 10 11 12

6 Running Shade

Causes:

a Change in pick-up percentage along the length of

the fabric

b Improper fabric Speed

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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