Optical Brighteners

by RUDOLF GROUP

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®RUCO 6200

Optical brightener for cellulosic fibres suitable for peroxide bleaching baths including high temperature conditions

  • Resistant to hard water
  • Resistant to alkali
  • Not stable in acid baths
  • Preferably for hydrogen peroxide bleaching
  • High substantivity
  • Very good light fastness
  • Excellent wash fastness 

Field of application: Exhaust process

Chemical Basis: Stilbene derivative

Ionic Character: Anionic

Form: Liquid


®RUCO 6201

Optical brightener for cellulosic fibres

  • Stable in hydrosulphite- and hydrogen peroxide-containing liquors
  • Stable to alkalis and resin finishes up to pH 4.5
  • Stable in acetic liquors
  • Substantivity can be increased by adding salts
  • Good wash resistance
  • Good light fastness

Field of application: Exhaust process

Chemical Basis: Stilbene derivative

Ionic Character: Anionic

Form: Liquid

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