Orco Synthrowite GWS™

Orco Synthrowite GWS™ is a neutral, nonionic optical brightener for use on nylon, acetate, triacetate, wool, and silk and offers clean, bright whites with a bluish-violet cast at an economical cost. Orco Synthrowite GWS™ may be applied via exhaust or continuous processes.


Physical Properties

Chemical type coumarine derivative
Appearance Light yellow, pourable liquid
Ionic Charge Cationic
Odor Mild, pleasant
Solubility All proportions in water



Exhaust Application for Nylon, Acetate, Triacetate

  • 0.25 – 2.00% Orco Synthrowite GWS™ on weight of goods(owg)
  • Optional: 3 g/liter Sodium Hydrosulfite.

Run at 170°-180°F(76-82°C) for 30 minutes.

Continuous Pad Application for Nylon, Acetate, Triacetate

  • 0.50 – 1.50% Orco Synthrowite GWS™ owg
  • 0.50 – 1.00% Orcopon Gel 130™ owg

Set bath at 140-200°F(60-93°C)

Pad at 60°-70°F(16-21°C) and dry.

Orco Synthrowite GWS™ may be used in conjunction with various scouring agents as well as Hydrogen Peroxide bleach agents.


Protect from freezing or temperatures over 100°F(43°C).

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