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Waterborne polyamide-based curing agent enabling low-VOC, high-performance epoxy coatings.
Excellent compatibility with waterborne epoxy resins for stable dispersions and reduced film defects.
Offers balanced pot life and rapid ambient-cure development, supporting efficient production throughput.
Delivers superior adhesion to steel, concrete, and galvanized substrates without primer.
Low color and high clarity support formulation of light-colored and transparent epoxy systems.
Industrial maintenance coatings for steel structures and offshore platforms.
Waterborne epoxy primers and mid-coats in automotive OEM and refinish applications.
High-solids and low-VOC floor coatings for commercial and institutional facilities.
Concrete repair and protective lining systems in wastewater and potable water infrastructure.
Electrical insulation coatings for transformers and busbar assemblies.
| Chemical Type | Waterborne polyamide adduct |
| Product Form | Liquid dispersion |
| Appearance | Off-white to light tan, homogeneous liquid |
| pH (10% aqueous solution) | 8.0 – 9.5 |
| Solids Content (wt%) | 58 – 62 |
| Viscosity (mPa·s, Brookfield RVT, #3 spindle, 20 rpm, 25°C) | 800 – 1,500 |
| Density (g/cm³, 25°C) | 1.02 – 1.06 |
| Free Amine Value (mg KOH/g) | 140 – 170 |
Q1: What is the primary function of EPIKURE 8537-WY-60 in waterborne epoxy systems?
A: EPIKURE 8537-WY-60 is a polyamine-based waterborne curing agent designed to react with epoxy resins in low-VOC, aqueous formulations. It enables ambient or elevated temperature cure profiles while supporting good film formation, adhesion, and chemical resistance in coatings and industrial maintenance applications.
Q2: Can EPIKURE 8537-WY-60 be used with standard liquid epoxy resins, or does it require specific resin types?
A: This curing agent is formulated for compatibility with water-dispersible or self-emulsifying epoxy resins—typically those modified with hydrophilic groups or surfactants. It is not recommended for direct use with conventional solventborne or 100% solids bisphenol-A epoxy resins without formulation adjustment and compatibility testing.
Q3: How does EPIKURE 8537-WY-60 contribute to the environmental profile of finished coatings?
A: As a waterborne curing agent, it supports significant VOC reduction compared to traditional amine hardeners. Its formulation avoids hazardous air pollutants (HAPs) and aligns with regulatory trends toward more sustainable industrial coating solutions, though final compliance depends on the full system composition and application method.
Q4: What are typical storage and handling considerations for this product?
A: Store in original sealed containers at temperatures between 5°C and 30°C, away from direct sunlight and freezing conditions. Protect from moisture ingress during handling, and avoid prolonged exposure to high humidity environments prior to use, as it may affect dispersion stability and reactivity.
Q5: Is post-cure heating required to achieve optimal performance?
A: While EPIKURE 8537-WY-60 can provide functional properties under ambient cure conditions, elevated temperature post-cure (e.g., 60–80°C for 30–60 minutes) is often recommended to enhance crosslink density, hardness, and long-term chemical resistance—particularly in demanding industrial or protective coating applications.
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E-mail: wangxingqiang@ericwchem.com
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