The 7423 Water-based substrate wetting agent is a high-performance, polyether-modified polysiloxane surfactant engineered specifically for demanding aqueous coating systems. This specialized additi…
Superior Surface Tension Reduction: Efficiently lowers surface tension to 20-22 mN/m, ensuring complete coverage on difficult substrates.
Excellent Substrate Wetting: Facilitates wetting on plastics and oily metals, effectively preventing shrinkage and crawling defects.
Anti-Crater Performance: Prevents surface defects caused by external contaminants like dust or oil during the film-forming process.
Enhanced Leveling: Promotes a smooth, mirror-like finish by significantly improving the flow of the wet film.
High Recoatability: Minimal impact on inter-coat adhesion, allowing seamless multi-layer application.
Optimal Foam Control: Engineered to minimize micro-foam formation during high-speed applications.
Compatibility: Integrates easily into formulations.
规格
技术亮点
Chemical Identity: Polyether-modified polydimethylsiloxane surfactant, optimized for high HLB stability in demanding aqueous environments.
Active Content: Consists of 100% active matter, providing extreme efficiency at very low addition levels.
Physicochemical Properties: Clear to slightly hazy liquid appearance with a viscosity ranging from 100–500 mPa·s.
Solubility Profile: Highly soluble in water and polar organic solvents, ensuring easy incorporation during the let-down stage.
Dosage Efficiency: Effective at concentrations between 0.1% and 1.0% based on total formulation weight.
Chemical Stability: Exhibits excellent thermal and mechanical stability within standard industrial paint manufacturing and storage conditions over extended periods.
实际行业应用
应用领域
Water-borne Industrial Coatings: Ideal for automotive OEM and refinish sectors where high-gloss, defect-free surfaces are required.
Wood Coatings: Enhances penetration on porous surfaces and prevents “picture framing” in high-end furniture lacquers.
Printing Inks: Improves dot gain and adhesion in water-based flexographic and gravure inks on various filmic substrates.
Adhesives and Sealants: Ensures uniform distribution of pressure-sensitive adhesives on low-energy plastic liners and release papers.
Overprint Varnishes: Provides clarity and leveling for paper packaging.
Plastic Coatings: Enables effective wetting on ABS, PC, and PVC materials used in modern electronics, consumer goods, and various home appliances.
