Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik Epoxy Curing Agent EMI-24

Evonik Epoxy Curing Agent EMI-24 is a high-performance imidazole-based accelerator for epoxy resins. Designed for aerospace, electronics, and composites, it enables rapid room-temperature curing with excellent thermal stability and low volatility. This EMI-series catalyst enhances pot life control and final mechanical properties while maintaining consistent reactivity across diverse formulations.
  • evonik epoxy curing agent emi 24_98dfc9c7
  • evonik epoxy curing agent emi 24_98dfc9c7

Features Of Evonik Epoxy Curing Agent EMI-24

  1. Highly efficient latent curing agent enabling extended pot life at room temperature.

  2. Activates rapidly upon thermal stimulation (typically >100 °C), delivering fast gelation and full cure.

  3. Excellent compatibility with standard DGEBA-type epoxy resins and low-viscosity formulations.

  4. Halogen-free composition supporting modern regulatory requirements for electronics and industrial coatings.

  5. Enables high glass transition temperature (Tg) and superior thermal stability in cured networks.

Typical Applications Of Evonik Epoxy Curing Agent EMI-24

  1. Electrically insulating encapsulants for power electronics and LED modules.

  2. Potting compounds for automotive sensors and control units requiring reliable thermal cycling resistance.

  3. Prepregs and laminates in high-performance printed circuit board (PCB) substrates.

  4. Adhesives for structural bonding in aerospace and rail transportation components.

  5. Coating systems for corrosion protection of metal substrates in demanding industrial environments.

Specifications Of Evonik Epoxy Curing Agent EMI-24

Chemical TypeImidazole derivative (2-Ethyl-4-methylimidazole adduct)
Product FormOff-white to light tan solid powder
AppearanceFree-flowing crystalline powder
Primary ApplicationsLatent curing agent for heat-curable epoxy systems
Key FeaturesLatency, thermal activation, halogen-free, low volatility
BenefitsExtended shelf life, precise process control, high Tg, RoHS-compliant
Storage ConditionsStore in original sealed container at 5–25 °C, protect from moisture
Handling PrecautionsUse in well-ventilated areas; avoid inhalation of dust and skin contact


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