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Wetting agent:Wetfast FL-63 levelling for pad dyeing polyamide tapes

Model No.︰-
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Country of Origin︰Germany
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Product Description

Wetfast FL63 levelling agent for the continuous pad dyeing of polyamide narrow fabric with acid dyes.

 

Narrow ribbon dyeing process

1 Polyester

Polyester fiber characteristics (dense) - hot melt dyeing, high temperature high pressure dyeing - selection of dyes - disperse dyes - temperature - (hot melt dyeing) 190C - (high-temperature and high-pressure dyeing) to 130C.

Into the band - before washing - drying - color slot - pre-baking (infrared) - high-temperature baking - after washing (restore washing) - after drying - drop with.

Infrared pre-baking the role:

The dye molecules are initially attached to the fibers, to prevent problems such as flower color appears.

The role of high-temperature baking:

The dye molecules gain full access to the interior of the fiber, through the process of dye uptake fiber.

Restore cleaning role:

Excess dye molecules to decompose to ensure product for color fastness.

 

2. Nylon (protein products)

Nylon fiber characteristics (having a reactive functional group) - steaming process - the chosen dye - (weak) Acid Dyes - Temperature - 100 degrees Celsius.

Into the band - padding – steaming  - after washing - drying – narrow fabric collector

Steaming effect:

Acidic dye molecules reacted fully with the corresponding functional group in the fiber, to complete the process of dyeing fibers in the acidic dye.

After Washing role:

Removal of unfixecd dyes to ensure that the product color fastness.



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