Optical Brightener ST-II for Waterborne Paints, Inks & Coatings
Key Features
Liquid Fluorescent Whitening Agent
Optical Brightener ST-II is supplied in liquid form, providing convenient handling and easy incorporation during the manufacturing process.
Designed for Water-Based Systems
ST-II is designed for compatible waterborne paint, ink and coating systems where enhanced optical brightness and improved appearance are required.
Effective Yellow Tone Compensation
ST-II helps compensate for unwanted yellowish tones and improves the perceived whiteness and brightness of finished products.
Good Dispersion & Formulation Compatibility
The liquid formulation allows uniform dispersion and convenient addition into compatible water-based formulation systems.
Suitable for Paints, Inks & Coatings
Optical Brightener ST-II is suitable for compatible waterborne paints, inks and coating applications requiring fluorescent whitening performance.
Product Information
| Item | Information |
|---|---|
| Product Name | Optical Brightener ST-II |
| Product Type | Fluorescent Whitening Agent |
| Composition | Mixture |
| Active Ingredient | C.I. Fluorescent Brightener 181 |
| Appearance | Milky-white liquid |
| Main Applications | Waterborne paints, inks and coatings |
Typical Applications
Waterborne Paints
Optical Brightener ST-II can be used in compatible water-based paint formulations to improve optical brightness and enhance the visual appearance of finished surfaces.
Waterborne Coatings
ST-II is suitable for compatible waterborne coating systems where improved whiteness and optical performance are required.
Water-Based Inks
Optical Brightener ST-II can be incorporated into compatible water-based ink formulations to improve brightness and the visual quality of printed products.
Industrial Coating Systems
ST-II can be used in compatible industrial coating formulations according to specific formulation requirements and processing conditions.
Packaging & Customized Options
Regular Packaging
Packaging options are available according to product grade and customer requirements.
For liquid products, suitable packaging solutions such as plastic drums can be provided.
Customized Product Options
Customized ST-II solutions are available based on specific paint, ink and coating formulation requirements.







