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Latent reactivity enables extended pot life at ambient temperatures, supporting efficient processing and handling.
Activates rapidly upon thermal trigger (typically >120 °C), delivering fast and consistent epoxy crosslinking.
Halogen-free formulation meets stringent environmental and regulatory requirements for electronics and aerospace applications.
Excellent compatibility with standard DGEBA and novolac epoxy resins without phase separation or viscosity instability.
Yields cured systems with high glass transition temperature (Tg), superior thermal stability, and low dielectric loss.
High-reliability encapsulants and underfills for semiconductor packaging and flip-chip assemblies.
Prepregs and composite matrices in aerospace structural components requiring low outgassing and high Tg.
Electrically insulating adhesives and bonding pastes for power electronics modules and EV battery assemblies.
Thermal interface materials (TIMs) where controlled cure kinetics and minimal volatile content are critical.
| Chemical Type | Dicyandiamide (DICY)-based latent accelerator system |
| Product Form | Free-flowing white to off-white crystalline powder |
| Appearance | Crystalline solid, free of visible impurities |
| Primary Applications | Epoxy-based encapsulants, adhesives, laminates, and prepregs |
| Key Features | Latent, halogen-free, thermally activated, low volatility |
| Recommended Cure Schedule | 150–180 °C for 30–90 minutes (varies by resin system) |
| Storage Conditions | Store sealed under dry conditions at ≤25 °C; protect from moisture |
| Shelf Life | 12 months from date of manufacture when stored properly |
Q1: What is the primary function of Aradur 3086 in epoxy formulations?
A: Aradur 3086 is a latent amine-based curing agent designed to provide extended pot life at ambient temperatures while enabling rapid, efficient cure upon thermal activation—making it especially suitable for one-component epoxy systems requiring controlled processing windows.
Q2: How does Aradur 3086 compare to conventional amine hardeners in terms of shelf stability?
A: Unlike standard aliphatic or aromatic amines, Aradur 3086 exhibits significantly improved latency and storage stability in formulated epoxy resins—enabling months of shelf life at room temperature without premature reaction or viscosity increase, provided the system remains dry and uncontaminated.
Q3: What typical cure profiles are recommended for optimal performance with Aradur 3086?
A: Effective cure generally begins above 120 °C, with full crosslinking typically achieved within 30–90 minutes depending on part geometry, thermal mass, and formulation. Lower-temperature post-cures may be possible but require longer dwell times and careful validation of final properties.
Q4: Is Aradur 3086 compatible with common epoxy resins used in composites and adhesives?
A: Yes—Aradur 3086 demonstrates broad compatibility with standard diglycidyl ether of bisphenol-A (DGEBA), bisphenol-F, and novolac-type epoxy resins, as well as many functionalized epoxies used in structural adhesives, prepregs, and electrical encapsulants.
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