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High photostability under UV exposure, ensuring lasting whiteness in demanding applications.
Excellent compatibility with polyester and polyamide fibers during high-temperature dyeing processes.
Low volatility and minimal sublimation loss, supporting consistent performance in thermofixation.
Neutral to slightly alkaline pH profile, enabling stable use in conventional textile exhaust and continuous dyeing systems.
Free from restricted aromatic amines and compliant with OEKO-TEX® Standard 100 Class I requirements.
Polyester fiber and filament dyeing via high-temperature exhaust or thermosol processes.
Blended fabrics containing polyester/cotton or polyester/wool for balanced brightness and color fidelity.
Textile printing pastes where high wash- and light-fastness of fluorescence is critical.
Industrial filtration textiles requiring optical brightening without compromising mechanical integrity.
Technical textiles for automotive and architectural interiors exposed to prolonged UV conditions.
| Chemical Type | Diaryl stilbene derivative (disodium salt) |
| Product Form | Fine crystalline powder |
| Appearance | Off-white to pale yellow free-flowing powder |
| Primary Applications | Optical brightening of synthetic fibers (especially polyester and polyamide) |
| Solubility | Freely soluble in water; forms clear, stable aqueous solutions |
| pH (5% aqueous solution) | 6.5–7.5 |
| Heavy Metals (as Pb) | <10 ppm |
| Key Features | High fluorescence intensity, low migration tendency, excellent thermal stability up to 200°C |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
