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Optical Whitening Agents for Textiles
We are manufacturer of OBA for Textiles
Optical Whitening Agents for Textiles
We are manufacturer of OBA for Textiles
Optical Whitening Agents for Textiles
We are manufacturer of OBA for Textiles
Optical Whitening Agents for Papers
We are manufacturer of OBA for Paper
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Viophor 2B Powder

powder

VIOPHOR® 2B gives bluish bright fluorescence on cellulosics imparting excellent whiteness with natural to bluish white shade.

 

1.Properties:

» Light Yellowish Powder 

» Non Hygroscopic in nature 

» Anionic in nature 

» It is a Stilbene Derivative

 

2. Applications :

» Exhaust Method

MLR :   1:10 to 1:30

Recipe

VIOPHOR® 2B : 0.05 % 

Calcined Glauber’s Salt : 1 gpl to 5 gpl 

Temperature : 25oC to 80oC

Optimum pH : Suitable between pH 5.5 to 11

Dyeing Time : 30 – 45 Minutes

» Padding Method

VIOPHOR® 2B : 0.2 to 5 gpl

Temperature : 20° C to 40° C

Glauber Salt is not required in this method.

» In Bleaching

VIOPHOR® 2B is stable in peroxide bleach it can be used with Hydrogen Peroxide in bleach bath.

» In Finishing :

VIOPHOR® 2B is stable when used with resin. It gives excellent results with anti crease finishes.

However, preliminary trials are suggested since some catalysts impair light fastness.

 

3. Fastness Properties:

» Light Fastness : Good (3-4)

» Washing Fastness

At Room Temp. Very Good
At 60° C Excellent
At 95° C Excellent

» Fastness to Variables

Chlorine Alkaline pH Acidic pH Perspiration
Good Good Good Good

FASTNESS IS EXCELLENT IN SANFORISING PROCESS.

 

Note : The above information is provided in good faith without warranty.

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