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Low-VOC, water-based formulation compliant with stringent environmental regulations including EPA and EU REACH.
Excellent compatibility with standard waterborne epoxy resins for stable one-component or two-component systems.
Fast ambient-cure capability with full hardness development within 24–48 hours at 25°C and 60% RH.
Superior adhesion to diverse substrates including concrete, steel, aluminum, and aged coatings.
Good hydrolytic stability and extended pot life (>4 hours at 25°C) when mixed with compatible epoxy dispersions.
Waterborne epoxy floor coatings for industrial and commercial facilities.
Anti-corrosive primers and topcoats for metal structures in marine and infrastructure environments.
Concrete repair mortars and protective overlays requiring low-odor, indoor-safe curing.
High-performance automotive underbody sealants and chassis coatings.
Electrical insulation coatings for transformers and busbars where dielectric strength and moisture resistance are critical.
| Chemical Type | Aliphatic polyamine adduct, water-dispersible |
| Product Form | Liquid dispersion |
| Appearance | Translucent amber liquid, slight opalescence |
| pH (10% aqueous solution) | 9.2–9.8 |
| Solids Content | 55–58 wt% |
| Density (25°C) | 1.08–1.12 g/cm³ |
| Viscosity (Brookfield, 25°C, spindle #3, 20 rpm) | 300–600 mPa·s |
| Primary Applications | Two-component waterborne epoxy coatings and mortars |
Q1: What types of waterborne epoxy resins is HDH6127 compatible with?
A: HDH6127 is specifically formulated for use with common anionic and non-ionic waterborne epoxy dispersions, including glycidyl ether–based and bisphenol A/F-modified systems. Compatibility should be verified experimentally in the target formulation due to variations in resin particle size, pH, and stabilizer chemistry.
Q2: How does HDH6127 affect pot life and film formation in waterborne epoxy coatings?
A: HDH6127 provides extended working time at ambient temperatures compared to many amine-based curing agents, supporting practical application windows. It promotes coalescence and crosslinking during ambient or mild thermal cure cycles, yielding films with good hardness development and cohesive integrity without requiring high-bake conditions.
Q3: Is HDH6127 suitable for low-VOC or zero-VOC coating systems?
A: Yes — HDH6127 is a water-dispersible solid with negligible volatile organic content, making it well-suited for formulating low-VOC and zero-VOC waterborne epoxy systems compliant with current environmental regulations for architectural, industrial maintenance, and protective coatings.
Q4: What is the recommended mixing procedure to ensure optimal dispersion and reactivity?
A: HDH6127 should be added slowly under moderate agitation to the epoxy dispersion, preferably after adjusting pH if needed. Avoid high-shear mixing that may destabilize the emulsion. Allow sufficient induction time (typically 10–30 minutes) before application to ensure uniform dispersion and initial interaction between components.
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