Acid fixing agent TFRN
- Chemical Constitution: polycondensate of arylsulphonate and formaldehyde
- PH value: about 4
- Ionic character: anion
- Characteristics
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Features:
◊ Excellent stable to acid, super anti-stain property as well as retarding effect, well soaping and fixing effect, no color change against OBA, compatible to double cation fixing.
◊ Can be used as soaping agent for acid on anti-stain purpose. During the process of nylon printing washing, can keep acid dyes from dyeing in the white background, improve the water logging fastness, including super micro fiber and wool dyeing or printing cloth.
◊ Can be applied as acid fixing. No need acid adjustment, also no color change to fluorescent acid dyes. Prevent fixing spot caused by acid adjusting.
◊ Can be applied as retarding agent. When dyeing cotton/nylon, wool/nylon blends with acid and direct dyes or reactive dyes, this product can prevent direct dyes or reactive dyes from staining nylon or wool composite.
◊ Can be applied as leveling agent. When dyeing wool/nylon blends (at 1:2 and 1:1) with metal complex dye or acid dyes, this product can promote synchronous dyeing, improve the leveling effect for wool/nylon blends.
◊ Can be applied with TCO72 for double fixing process, improve perspiration fastness, water logging fastness and other wet fastness.(slightly eliminating red light when using TCO72)
Application:
TFRN can be diluted by water at any proportion.
The average dosage is around 0.5-4%, treating for 20 minutes under 70-80 ℃.
The exact dosage depend on dyes, depth of color and the fabric.
Before using TFRN, please be sure that the fabric has been washed clean and completely.