What is shade:Shade is depth of color . It is a common word in dyeing , printing and finishing unit of a textile mill . It's the physical testing methods of , offline quality control assurance system .
About shade matching :
Shade matching depends on the accuracy of the man's eye. It is a visual process for this reason some shade may have different comments from different person . So , dyeing expert is needed for this purpose . Besides the computer color matching system can help man to take a decision about matching the shade.
The shade is need checked in several times , to ensure the customers demand and condition. Generally the shade is checked at the following stage............
- After dyeing .
- After drying .
- After trial for finishing .
- After finishing .
Shade of the color varies depending on the light source under which sample is checked out . For this reason , buyer/ customers gives specific light source under which sample will be checked . For this the following equipment is used........
Name-------------------Verivide light box .
Manufacturer----------James H.Heal & Company Ltd.
- D-65 ( artificial day light)
- F (filament light )
- UV ( ultraviolet blue light )
For shade matching , it's important to understand about the color tone . It's also important to know about the color combination by which color will be produced .
Shareful Islam Palash
Uttara Engineering College, Uttara, Dhaka
Facebook: Shareful Islam Palash