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

Sanmu Epoxy Curing Agent SM2125

Sanmu Epoxy Curing Agent SM2125 is a high-performance aliphatic amine-based hardener from Sanmu’s SM series, engineered for rapid curing, excellent adhesion, and superior chemical resistance in demanding industrial coatings and composites applications.
  • sanmu epoxy curing agent sm2125_3b69e40f
  • sanmu epoxy curing agent sm2125_3b69e40f

Features Of Sanmu Epoxy Curing Agent SM2125

  1. Low-viscosity liquid formulation enables excellent mixing and wetting with epoxy resins.

  2. Fast room-temperature cure profile without requiring elevated post-cure temperatures.

  3. High crosslink density delivers superior chemical resistance and mechanical strength.

  4. Low exotherm during curing enhances safety and dimensional stability for thick-section castings.

  5. Compatible with standard bisphenol-A and bisphenol-F epoxy systems.

Typical Applications Of Sanmu Epoxy Curing Agent SM2125

  1. Electrical potting and encapsulation of transformers, sensors, and PCBs.

  2. Structural adhesives for aerospace and automotive composite bonding.

  3. High-performance flooring and industrial coatings requiring abrasion resistance.

  4. Wind turbine blade bonding and repair formulations.

  5. Marine-grade protective coatings for hulls and offshore equipment.

Specifications Of Sanmu Epoxy Curing Agent SM2125

Chemical TypeAmine-based aliphatic polyamine adduct
Product FormClear to pale yellow liquid
AppearanceHomogeneous, free from sediment or haze
Density (25°C)0.94–0.97 g/cm³
Viscosity (25°C)250–350 mPa·s
Amine Value220–240 mg KOH/g
Reactivity (Gel Time with DGEBA at 25°C)60–90 minutes
Shelf Life (Unopened, 25°C)12 months


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