Process Flow Chart Of Lab Dip Development In A Dyeing Lab | Shade Matching Procedure

Lab Dip

Dyeing is performed on the dyeing floor but before starting bulk production lots of work is done in the dyeing laboratory. In the lab, a lab dip or sample is developed by the textile engineer or technician. In the lab, the lab dip is matched with the sample given by the buyer. Then lab dip is sent to the buyer for his approval. In the lab, full work is done in sequence.

Process Flow Chart Of Lab Dip Development In A Dyeing Lab

In a dyeing lab, lab dip is developed like the following sequence:

Receiving standard swatch

The first recipe takes from a Spectrophotometer or manually

Dispersion by autodoser

Trial dyeing of the first recipe

Unload

Normal wash

Hot wash with detergent

Finishing

Hydro

Drying

Compare with a standard swatch

If not ok

The first correction takes from a Spectrophotometer or manually

Dispersion by autodoser

Trial dyeing of the first recipe

Unload

Normal wash

Hot wash with detergent

Finishing

Hydro

Drying

Compare with a standard swatch

If not ok

The second correction takes from a Spectrophotometer or manually

Dispersion by auto doser

Trial dyeing of the first recipe

Unload

Normal wash

Hot wash with detergent

Finishing

Hydro

Drying

Compare with a standard swatch

If ok

Send for buyer’s approval

The flow chart which I have given in above is all most same in the entire dyeing laboratory. But this sequence could be changed depending on the engineer’s own procedure. This procedure is applicable for yarn or fabric dyeing.

In the dyeing lab, the textile engineer should have deep knowledge about shade matching.

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