The 7425 Water-based substrate wetting agent is a high-performance, organosilicon-based additive specifically engineered to reduce surface tension in aqueous formulations. This specialized surfacta…
Outstanding reduction of the static surface tension to enhance substrate coverage on non-polar surfaces.
Excellent dynamic surface tension reduction, crucial for high-speed spray or roller application methods.
Strong anti-crater performance that mitigates defects caused by surface contaminants like oil or dust.
Maintains superior intercoat adhesion, ensuring subsequent layers bond effectively without surface energy mismatches.
Highly compatible with most water-based resins, including acrylics, polyurethanes, and PUD polymer hybrids.
Low foam stabilization, minimizing the risk of micro-foam formation during intensive mixing or application.
Improved substrate wetting on contaminated or greasy metals, enhancing overall film integrity and appearance in industrial use case scenarios.
规格
技术亮点
Chemical Composition: High-purity, high-performance polyether-modified siloxane copolymer optimized for low-VOC waterborne systems.
Active Matter: Supplied as 100% active concentrate for maximum efficiency and formulation flexibility.
Surface Tension: Capable of significantly reducing aqueous surface tension to approximately 21 mN/m.
Solubility: Fully miscible in water and polar solvents, facilitating easy incorporation during let-down stages.
Dosage: Highly effective at low concentrations, ranging from 0.1% to 1.0% of total weight.
Stability: Chemically stable across a wide pH range (3–11), suitable for diverse coating chemistries.
Appearance: Clear, transparent liquid with low viscosity, ensuring ease of handling and precise volumetric metering in production environments and laboratories.
实际行业应用
应用领域
Waterborne Industrial Coatings: Ideal for metal primers and topcoats requiring exceptional wetting on smooth surfaces.
Wood and Furniture Finishes: Ensures uniform flow and leveling on highly porous or resinous wood substrates.
Automotive OEM and Refinish: Provides defect-free application for water-based basecoats and clearcoats on plastics.
Printing Inks and Overprint Varnishes: Enhances pigment wetting and dot gain on non-absorbent packaging films.
Pressure-Sensitive Adhesives: Significantly improves substrate coverage and bond strength in water-based adhesive formulations.
Architectural Coatings: Enhances application properties of high-gloss trim paints and decorative masonry coatings.
Leather Finishing: Facilitates even penetration and spread of aqueous finishing agents across diverse leather.
