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Low viscosity for excellent processability and ease of mixing with epoxy resins.
Fast ambient-cure kinetics without requiring elevated temperatures.
Superior UV and weather resistance due to cycloaliphatic amine structure.
Low exotherm profile, reducing thermal stress in thick-section castings.
Excellent chemical resistance, particularly to alkalis and solvents.
High-performance industrial flooring and concrete coatings.
Electrical encapsulation and potting compounds for transformers and insulators.
UV-stable clear topcoats and protective finishes for outdoor infrastructure.
Structural adhesives requiring rapid fixture and ambient cure.
Composite matrix resins for aerospace and wind turbine blade applications.
| Chemical Type | Cycloaliphatic amine |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| Primary Applications | Epoxies for coatings, adhesives, composites, and electrical encapsulation |
| Key Features | Ambient-cure, low viscosity, UV stable, low exotherm |
| Benefits | Improved pot life control, enhanced durability, reduced energy consumption during cure |
| Storage Stability | Stable at 25°C for ≥12 months in sealed containers |
| VOC Content | <10 g/L (as supplied) |
Q1: What are the key performance advantages of EPIKURE 3381 compared to conventional aliphatic amine curing agents?
A: EPIKURE 3381 offers improved chemical resistance, enhanced thermal stability, and reduced volatility versus standard aliphatic amines—making it suitable for high-performance coatings and composites requiring extended service life under demanding conditions.
Q2: Is EPIKURE 3381 compatible with standard bisphenol A and bisphenol F epoxy resins?
A: Yes, EPIKURE 3381 is broadly compatible with common liquid and solid bisphenol-based epoxy resins, as well as many novolac and cycloaliphatic epoxies, enabling formulation flexibility across coating, adhesive, and composite applications.
Q3: How does humidity affect the cure profile and surface quality when using EPIKURE 3381?
A: As a cycloaliphatic amine, EPIKURE 3381 exhibits lower sensitivity to ambient moisture than many primary aliphatic amines, resulting in more consistent through-cure and reduced surface blush or haze under moderate humidity conditions.
Q4: What handling precautions should be observed during storage and processing?
A: Store in tightly sealed containers under dry, cool conditions away from moisture and strong oxidizers. Use appropriate personal protective equipment—including chemical-resistant gloves and eye protection—as EPIKURE 3381 may cause skin and respiratory sensitization with repeated or prolonged exposure.
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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
