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Low-VOC, water-based formulation compliant with stringent global environmental regulations.
Excellent chemical resistance and corrosion protection in cured film form.
Good compatibility with waterborne amine hardeners for ambient- or low-temperature curing.
Stable dispersion with low viscosity, enabling easy handling and improved application properties.
Provides strong adhesion to steel, concrete, and other industrial substrates.
Waterborne epoxy primers for industrial maintenance coatings.
Corrosion-resistant coatings for offshore and marine infrastructure.
High-performance floor coatings in food processing and pharmaceutical facilities.
Interior architectural coatings requiring low odor and rapid return-to-service.
Two-component waterborne epoxy systems for protective linings in tanks and pipelines.
| Chemical Type | Bisphenol-A based waterborne epoxy dispersion |
| Product Form | Liquid dispersion |
| Appearance | Opaque white to off-white liquid |
| Solids Content (wt%) | 48–52% |
| pH | 7.0–8.5 |
| Viscosity (mPa·s, Brookfield RVT, #3 spindle, 20 rpm) | 1,500–3,500 |
| Particle Size (D50, nm) | 120–180 |
| Free Epoxy Equivalent Weight (EEW) | 460–490 g/eq |
Q1: What is the primary function of EPIKOTE 874L-X-90 in waterborne coating systems?
A: EPIKOTE 874L-X-90 serves as a reactive epoxy resin component that enhances crosslink density, chemical resistance, and adhesion in waterborne two-component (2K) epoxy coatings—particularly where low VOC content and improved handling safety are required.
Q2: Can EPIKOTE 874L-X-90 be used with standard amine hardeners?
A: Yes—it is formulated for compatibility with common water-dispersible or water-soluble polyamine hardeners. Optimal performance is achieved when paired with Hexion’s recommended amine curing agents designed for waterborne epoxy systems.
Q3: How does EPIKOTE 874L-X-90 differ from conventional solvent-based epoxy resins?
A: Unlike solvent-based counterparts, this grade is supplied as a stable aqueous dispersion, eliminating the need for organic solvents during formulation. It offers reduced inhalation exposure risk, lower regulatory reporting burden, and simplified ventilation requirements without compromising core epoxy performance attributes.
Q4: Is EPIKOTE 874L-X-90 suitable for food-contact or potable water applications?
A: While not pre-approved for direct food contact or drinking water systems, it may be incorporated into formulations intended for such uses—subject to full end-product evaluation and compliance with applicable regional regulations by the final formulator or applicator.
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E-mail: wangxingqiang@ericwchem.com
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