What is Lab Dip | Objects of Lab Dips | Process Sequence of Lab Dip

Lab Dip:
A lab dip is a swatch of fabric test dyed to hit a color standard. It is a process by which buyer’s supplied swatch is matched with the varying dyes percentage in the laboratory with or without help of spectrophotometer. Lab dip plays an important role in shade matching & this is an important task before bulk production. In previous article of this author we have to learn on flow chart on dyeing lab.
Lab dip
There are different matching systems followed in Labs. They are :
  1. Tube light matching.
  2. Sun light matching.
  3. Ultra Violet matching.
  4. Sodium light matching (show room).
Object of Lab Dip: 
The main objectives in lab dip are as follows:
  1. To calculate the recipe for sample dyeing.
  2. To compare dyed sample with swatch by light Box or Spectrophotometer.
  3. To calculate revise recipe for sample dyeing.
  4. Finally approved Lab Dip (Grade: A, B, C & D)
Process Sequence of Lab Dip: 
Lab dip plays an important role in dyeing process. Bulk dyeing process completely depends on the lab dip development work. Lab dip is completely managed as the following sequence.

Lab Dip Requisition from buyer

Entry in the computer

First recipe is given by swatch/pantone number

First correction

Second correction

Grading of sample (A, B, C, D)

Yarn and knit sample send to buyer

Approved by buyer

Order for bulk production

Production card with approved sample and recipe send to production section. 
 
Author of This Article:
S M Hossen Uzzal
 

About the Editor-in-Chief:

Mazharul Islam Kiron is a textile consultant and researcher on online business promotion. He is working with one European textile machinery company as a country agent. He is also a contributor of Wikipedia.


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