Process Flow
Chart of Dyeing Lab or Lab Dip Development
Dyeing Lab:
At first dyeing is performed in dyeing lab and then starting for
bulk production. Dyeing lab work is called lab dip development. A lab dip is a
swatch of fabric test dyed to hit a color standard. Lab dip plays an important
role in dyeing process. Bulk dyeing process completely depends on the lab dip.
In the lab, lab dip or sample is developed by the textile engineer or
technician. Flowchart of lab dip is given below.
Work in dyeing lab
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Flow Chart of Dyeing Lab/Lab Dip Development
Receiving standard swatch from the buyer
↓
Determination of sample’s possible color combination by the help of Spectrophotometer or manually
↓
Dispersion by autodoser
↓
Trial dyeing of first recipe
↓
Unload
↓
Normal wash
↓
Hot wash with detergent
↓
Oven drying
↓
Ironing
↓
Shade matching in light box ( If Ok then send to buyer for approval)
↓
If not ok
↓
First correction takes from Spectrophotometer or manually
↓
Dispersion by autodoser
↓
Trial dyeing of first recipe
↓
Unload
↓
Normal wash
↓
Hot wash with detergent
↓
Oven drying
↓
Ironing
↓
Shade matching in light box ( If Ok then send to buyer for approval)
↓
If not ok
↓
Second correction takes from Spectrophotometer or manually
↓
Dispersion by auto doser
↓
Trial dyeing of first recipe
↓
Unload
↓
Normal wash
↓
Hot wash with detergent
↓
Finishing
↓
Hydro
↓
Drying
↓
Compare with standard swatch
↓
If ok
↓
Send for buyer’s approval
↓
Bulk production by considering the buyer’s approved sample as standard
↓
Determination of sample’s possible color combination by the help of Spectrophotometer or manually
↓
Dispersion by autodoser
↓
Trial dyeing of first recipe
↓
Unload
↓
Normal wash
↓
Hot wash with detergent
↓
Oven drying
↓
Ironing
↓
Shade matching in light box ( If Ok then send to buyer for approval)
↓
If not ok
↓
First correction takes from Spectrophotometer or manually
↓
Dispersion by autodoser
↓
Trial dyeing of first recipe
↓
Unload
↓
Normal wash
↓
Hot wash with detergent
↓
Oven drying
↓
Ironing
↓
Shade matching in light box ( If Ok then send to buyer for approval)
↓
If not ok
↓
Second correction takes from Spectrophotometer or manually
↓
Dispersion by auto doser
↓
Trial dyeing of first recipe
↓
Unload
↓
Normal wash
↓
Hot wash with detergent
↓
Finishing
↓
Hydro
↓
Drying
↓
Compare with standard swatch
↓
If ok
↓
Send for buyer’s approval
↓
Bulk production by considering the buyer’s approved sample as standard
