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Orco Synthrowite C-1000™ is a high-substantivity optical brightener for cotton used in continuous-pad, pad-bleach and hydrogen peroxide bleaching baths at high temperatures of 200 – 212°F(93-100°C).

 

Physical Properties

Chemical Type Stilbene
Shade of C-1000 Neutral to slightly blue
Appearance Amber pourable fluid
Ionic Charge Anionic
Stability Stable to strong alkali and hydrogen peroxide; unstable to acids
pH 8.5 – 9.0
Lightfastness Good
Washfastness Very good

 

Procedures

Exhaust

  • 0.25 to 0.5% owg Orco Synthrowite C-1000™

Continuous Pad

Pad at 100-120°F(38-49°C).

Dry and develop at 300-325° F(150-162°C) for 90 seconds.

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