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Substrate wetting additive STD-204E

Composition: Non-silicone surfactant mixture

Appearance: light yellow transparent liquid

Active ingredient: 50%

Solvent: ethylene glycol

Application range:

Suitable for water-based coatings, water-based ink systems

CategoryDetails
Product Name STD-204E Fluorosurfactant-Based Wetting Additive
Chemical Type Perfluoroalkyl Ether (PFAE) in aqueous solution
Key Applications –Coatings: Waterborne/UV-curable paints
–Adhesives: Epoxy, acrylic
–Inks: Digital printing, screen printing
–Agrochemicals: Plant protection formulations
Function Reduces surface tension for enhanced liquid spreading on low-energy surfaces
Advantages –Wetting Efficiency: Lowers contact angle >20°
–Dynamic Surface Tension: <35 mN/m concentration
–Compatibility: Stable in acidic/alkaline systems
Technical Data –Appearance: Milky white liquid
–Active Content: 25%
–pH: 6.0-8.0
–Solubility: Water, polar solvents
Usage Guidelines –Add Rate: 0.1-1.0% by weight
–Mixing: High-shear agitation
–Storage Temp: 5-35°C
Performance –Foam Control: Minimal foaming
–Reworkability: No viscosity increase post-addition
Safety –Handling: Avoid inhalation/skin contact
–Disposal: Follow local regulations
–Stability: 18 months (unopened)
Certifications Complies with REACH, RoHS, and TSCA regulations

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