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Fast-reacting aliphatic amine-based curing agent for ambient and low-temperature cure profiles.
Low viscosity enables excellent mixing efficiency and improved wetting of fillers and reinforcements.
Low volatility and reduced amine odor enhance workplace safety and compliance with industrial hygiene standards.
Delivers high crosslink density, resulting in superior chemical resistance and mechanical strength in cured epoxy systems.
Compatible with standard DGEBA and novolac epoxy resins without requiring pre-drying or special handling.
Structural adhesives for aerospace and automotive bonding assemblies.
High-performance epoxy flooring and industrial coating systems.
Electrical encapsulation and potting compounds for power electronics.
Composite matrix resins for wind turbine blade and marine laminate fabrication.
Repair mortars and grouts requiring rapid strength development under field conditions.
| Chemical Type | Aliphatic polyamine adduct |
| Product Form | Liquid |
| Appearance | Pale yellow to amber clear liquid |
| Viscosity (25°C) | 250–400 mPa·s |
| Amine Value | 380–420 mg KOH/g |
| Density (25°C) | 0.92–0.95 g/cm³ |
| Primary Applications | Epoxy resin curing for coatings, adhesives, composites, and encapsulants |
| Key Features | Ambient-cure capability, low odor, good compatibility, high reactivity |
Q1: What types of resins is HDX-50BL Curing Agent compatible with?
A: HDX-50BL is specifically formulated for use with epoxy resins, including bisphenol-A and bisphenol-F based systems. It demonstrates good reactivity and compatibility in both liquid and solid epoxy formulations, particularly where low-temperature cure or extended pot life is required.
Q2: What is the typical curing profile for HDX-50BL?
A: HDX-50BL enables effective curing at ambient to moderately elevated temperatures — commonly between 20 °C and 80 °C. Full cure development may require post-cure depending on film thickness and application requirements. Its reactivity is balanced to support practical processing windows without excessive exotherm.
Q3: How should HDX-50BL be stored and handled?
A: Store HDX-50BL in its original sealed container under cool, dry conditions, away from moisture, strong oxidizers, and direct sunlight. Prolonged exposure to humidity may affect performance. Use appropriate personal protective equipment (PPE) during handling, as with most amine-based curing agents.
Q4: Does HDX-50BL offer any advantages in coating or adhesive applications?
A: Yes — HDX-50BL contributes to improved flexibility, reduced brittleness, and enhanced adhesion to challenging substrates such as metals and composites. Its molecular structure supports lower viscosity blends and favorable film formation, making it suitable for high-performance protective coatings and structural bonding formulations.
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E-mail: wangxingqiang@ericwchem.com
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