Shade is a common word in Dyeing, Printing & Finishing units of a Textile Mill. It is the physical testing methods of Off Line Quality Control Assurance System. Here we written about the shade matching system in a Dyeing Laboratory or Lab Dip Development Procedure in one of our Blog, We think that will help you to know about the fabric Shade Matching System.
Shade Matching Depends on the Accuracy of the man’s eye. It is a visual process for the reason same shade may have difference comments from different person. So, dyeing expert or color experts are needed for this purpose. Besides the manual shade matching system computer color matching system can help man to take right decision about the shade of a specific sample.
Fabric Shade Check : The shade achieved is to be checked many times while in method and at finished state of make sure the customers demand under recommended light source. Usually shade is checked at the following stages :
-> After Dyeing
-> After Drying
-> After Trial for Finishing
-> After Finishing
Shade Checking Instruments : The shade of the color varies depending on the light source under which sample is checked out. For the reason, Buyer gives specific light source under which sample will be checked. For this the following equipment is used :
Instrument Name : VeriVide Light Box or Color Matching Cabinet.
Manufacturer : James H. Heal & Company Ltd.
Origin : UK.
Light Source :
1. D65 Artificial Day Light (4 Feet or 2 Feet)
2. TL84 Light (4 Feet or 2 Feet)
3. TL 83 Light (4 Feet or 2 Feet)
4. F (Filament Light) (40 watt or 60 watt)
5. UV (Ultraviolet Light) (4 Feet or 2 Feet)
It is very important to understand about the color tone of the dyeing fabric. It is also important to know about the color combination by which color will be produced. It should take in mind that, the combination which is used to match the buyer sample color that combination will be use in bulk production. Otherwise tone of the color could be varying.
So, textile engineers should be careful about the shade matching of a textile products.