Table of Contents
Discharge Printing Process
Printing is done in direct or discharge style. Among all of the styles, white discharge and color discharge styles are the most common. Discharge means removing a specific colored area with another color or reducing it with a bleaching agent.
Discharge printing is called extract printing. By this printing process, color is destroyed by one or multiple colors. Through this process, the pigment in the shirt is removed chemically and replaced by another color. Discharge printing is done on 100% cotton. Synthetic or blended fabrics are not suitable for discharge printing. Others think that the dyed fabrics should be dischargeable during the printing process.
Here, I have given a printing process for this printing with the recipe.
Discharge Printing Process Recipe:
This is a sample recipe for printing.
- Discharge rubber paste: 90%
- Discharge/RNS powder: 49%
Flow Chart Of Discharge Printing Process On Cotton
The following is a flow chart of this printing process on cotton. It is a step-by-step process. They are
Fabric preparation
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Table preparation
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Fabric is placed on the table
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Apply printing paste with the help of a screen
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Curing at 190 ºc (belt speed: 3m/min)
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Delivery
In sum, various types of colored designs can be produced by this discharge printing process. But we should be careful during the printing process. Otherwise, the shade of the original fabric could be destroyed unwontedly.
