Optical Brightener By Durvesh Rasayan Pvt. Ltd.

With a rich industry experience of this domain, we hold immense expertise in manufacturing and supplying of Optical brightener.

Features:

Versatile Product for continuous Padding and exhaust application over wide range of application temperature. (room temp-High temp.) Suitable for Hydrogen Peroxide and Sodium Hydrosulphite bleach application.

Properties :

Chemical Constitution : Stilbene Disulphonic Acid derivative
Ionic Nature : Anionic
Appearance : Light Yellow to Dark Yellow fine powder
Shade : Bluish white.

Stability:

Hydrogen Peroxide : Very good
Hydrosulphite : Very good
Chlorine bleach : Not stable
Acid : Good-pH-5.5-12
Alkalis : Very good
Hard Water : Upto 350 ppm
pH : 5.5-12

Fastness :

Light : 3-4
Washing : 4-5

Application:

By Exhaust :
Exhaust with Hydrogen peroxide bleach : 0.3-1.0%
Exhaust on Bleached surface : 0.2-0.8%
Padding :
Padding with Hydrogen peroxide bleach : 2.0-4.0gpl
Padding on Beached substrate : 1.0-3.0gpl
Padding with finishing chemicals : 2.0-4.0gpl
Recommended over wide range of application temperature (Room temperature-High Temp)