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

Shikoku 2MA-OK Imidazole Curing Agent

Shikoku 2MA-OK is a high-reactivity imidazole curing agent from Shikoku Chemicals’ 2MA series, designed for epoxy resin systems requiring low-temperature cure, excellent thermal stability and precise stoichiometric control. It offers superior latency, low volatility and consistent performance in electronic encapsulants, adhesives and composite prepregs.
  • shikoku 2ma ok imidazole curing agent_e1510124
  • shikoku 2ma ok imidazole curing agent_e1510124

Features Of Shikoku 2MA-OK Imidazole Curing Agent

  1. Low-temperature reactivity enables efficient epoxy curing at ambient to moderately elevated temperatures (20–80 °C).

  2. Extended pot life compared to conventional imidazole accelerators, supporting longer processing windows for casting and impregnation.

  3. High thermal stability ensures retained performance in post-cure cycles up to 180 °C.

  4. Excellent compatibility with standard bisphenol-A and novolac epoxy resins without phase separation.

  5. Non-volatile and low-odor formulation enhances workplace safety and compliance with industrial hygiene standards.

Typical Applications Of Shikoku 2MA-OK Imidazole Curing Agent

  1. Electrical insulation systems for motors, transformers, and generators.

  2. Structural adhesives requiring rapid green strength development and high Tg.

  3. Encapsulation compounds for power electronics and LED modules.

  4. Potting formulations for automotive sensors and control units exposed to thermal cycling.

  5. Prepregs and filament-wound composites in aerospace and wind energy components.

Specifications Of Shikoku 2MA-OK Imidazole Curing Agent

Chemical Type2-Methylimidazole derivative (modified)
Product FormFree-flowing white to off-white crystalline powder
AppearanceCrystalline solid, odorless
Primary ApplicationsEpoxy resin curing agent for electrical & structural composites
Key FeaturesLatent reactivity, low volatility, high thermal stability
Recommended Loading Range2–6 phr (parts per hundred resin), depending on epoxy type and cure profile
Storage ConditionsSealed container, dry environment, 5–30 °C
Shelf Life24 months from date of manufacture under recommended storage


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