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Waterborne polyamide-based curing agent designed for low-VOC, high-performance epoxy coatings.
Enables excellent adhesion to steel, concrete, and galvanized substrates without primer.
Offers balanced pot life and rapid ambient-cure development for efficient production scheduling.
Delivers superior chemical resistance and corrosion protection in demanding industrial environments.
Compatible with a broad range of waterborne epoxy resins for formulation flexibility.
Industrial maintenance coatings for offshore platforms and marine infrastructure.
Water tank linings requiring NSF/ANSI 61 compliance for potable water contact.
Concrete floor coatings in food processing, pharmaceutical, and cleanroom facilities.
Heavy-duty protective coatings for power generation and wastewater treatment plants.
Low-emission structural steel coatings in architectural and infrastructure projects.
| Chemical Type | Waterborne polyamide adduct |
| Product Form | Liquid dispersion |
| Appearance | Off-white to light tan opaque liquid |
| pH (10% in water) | 7.5 – 9.0 |
| Solids Content (wt%) | 48 – 52% |
| Viscosity (Brookfield, #2 spindle, 20 rpm, 25°C) | 1,200 – 2,500 cP |
| Specific Gravity (25°C) | 1.02 – 1.06 |
| Freeze-Thaw Stability | Passes 3 cycles (−20°C / 25°C) |
Q1: What is the primary application area for EPIKURE 8535-W-50?
A: EPIKURE 8535-W-50 is specifically designed as a waterborne polyamine curing agent for epoxy resins in high-performance, low-VOC industrial coatings—particularly for protective coatings on metal substrates, including primers and intermediate coats in automotive, rail, and general industrial applications.
Q2: How does EPIKURE 8535-W-50 differ from solvent-based epoxy curing agents?
A: Unlike traditional solvent-based amine hardeners, EPIKURE 8535-W-50 is supplied as a stable aqueous dispersion, enabling formulators to significantly reduce VOC content while maintaining good pot life, film formation, and corrosion resistance—without requiring major reformulation of existing waterborne epoxy systems.
Q3: Is EPIKURE 8535-W-50 compatible with standard bisphenol A and bisphenol F epoxy dispersions?
A: Yes, it is formulated for compatibility with common waterborne epoxy resins, including both anionic and non-ionic stabilized dispersions of bisphenol A and bisphenol F types. Optimal performance typically requires adjustment of pH, mixing order, and shear conditions during let-down.
Q4: What are the key handling and storage recommendations?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from freezing and direct sunlight. Avoid prolonged exposure to high humidity or contamination with incompatible materials such as strong acids or oxidizing agents. Stir gently before use to ensure homogeneity.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
