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Low-VOC, waterborne formulation compliant with stringent global environmental regulations.
Excellent hydrolytic stability and freeze-thaw resistance for reliable storage and handling.
High epoxy equivalent weight (EEW) enabling balanced reactivity and extended pot life in two-component systems.
Superior adhesion to diverse substrates including concrete, steel, and galvanized metal.
Low odor and reduced skin sensitization potential compared to conventional solvent-based epoxies.
Waterborne epoxy primers and intermediate coats for industrial maintenance coatings.
High-performance floor coatings for commercial and institutional facilities.
Corrosion-resistant protective coatings for infrastructure and marine applications.
Hybrid epoxy-acrylic topcoats requiring enhanced durability and low-emission profiles.
Adhesives and sealants where water dispersibility and green chemistry attributes are critical.
| Chemical Type | Waterborne bisphenol-A based epoxy dispersion |
| Product Form | Opaque white liquid |
| Appearance | Stable aqueous dispersion, non-homogeneous when undiluted |
| Non-Volatile Content (wt%, ASTM D2369) | 48–52% |
| Epoxy Equivalent Weight (EEW, g/eq, ASTM D1652) | ~750–850 |
| pH (25°C, 10% in water) | 7.5–8.5 |
| Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm, 25°C) | 1,200–2,000 |
| Free Bisphenol-A (ppm, GC-MS) | <10 |
Q1: What is the primary function of HELOXY HD in waterborne epoxy systems?
A: HELOXY HD serves as a reactive diluent and viscosity modifier, enabling improved handling and application properties while maintaining epoxy functionality and film integrity in low-VOC, water-based formulations.
Q2: Can HELOXY HD be used in high-solids or 100% solids epoxy systems?
A: No — HELOXY HD is specifically designed for waterborne systems and contains hydrophilic components to ensure colloidal stability in aqueous media; it is not recommended for solvent-free or high-solids epoxy blends where compatibility and phase separation may occur.
Q3: How does HELOXY HD affect cure performance and final film properties?
A: It contributes to crosslink density through its glycidyl functionality, supporting good chemical resistance and mechanical strength in cured films; however, optimal cure profiles depend on co-resin selection, catalyst use, and thermal conditions typical for waterborne epoxy-amine systems.
Q4: Is HELOXY HD compatible with common amine hardeners used in waterborne epoxy coatings?
A: Yes — it demonstrates broad compatibility with aliphatic and cycloaliphatic polyamine dispersions, as well as modified amine adducts formulated for ambient- or forced-dry waterborne applications.
Q5: Does HELOXY HD require special storage or handling precautions?
A: It should be stored in tightly sealed containers at temperatures between 5 °C and 30 °C, protected from freezing and prolonged exposure to humidity or direct sunlight; standard industrial hygiene practices for epoxy materials apply during handling.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
