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

Sanmu SM2125 Epoxy Curing Agent

Sanmu SM2125 Epoxy Curing Agent is a high-performance aliphatic amine-based hardener from Sanmu’s SM series, engineered for rapid ambient-cure epoxy systems. It delivers excellent adhesion, low viscosity, and superior chemical resistance—ideal for coatings, composites, and construction adhesives requiring fast turnaround and robust mechanical properties.
  • sanmu sm2125 epoxy curing agent_828b7acd
  • sanmu sm2125 epoxy curing agent_828b7acd

Features Of Sanmu SM2125 Epoxy Curing Agent

  1. Low-viscosity liquid formulation for excellent mixing and processing with standard epoxy resins.

  2. Fast-reacting amine-based chemistry enabling reduced cure times at ambient or mild elevated temperatures.

  3. Superior adhesion to metals, composites, and concrete substrates without requiring surface priming.

  4. Low exotherm profile ensures minimal thermal stress in thick-section castings and large-area laminates.

  5. Good chemical resistance post-cure, particularly against aliphatic solvents and weak acids.

Typical Applications Of Sanmu SM2125 Epoxy Curing Agent

  1. Structural adhesives for automotive and aerospace bonding assemblies.

  2. Electrical potting and encapsulation compounds for power electronics and transformers.

  3. High-performance flooring systems in industrial and cleanroom environments.

  4. Composite matrix resin for filament-wound pressure vessels and wind turbine blade components.

  5. Repair mortars and grouts for civil infrastructure rehabilitation.

Specifications Of Sanmu SM2125 Epoxy Curing Agent

Chemical TypeAliphatic polyamine modified
Product FormLiquid
AppearanceClear, pale yellow to amber liquid
Density (25°C)0.92–0.96 g/cm³
Viscosity (25°C)180–240 mPa·s
Amine Value380–420 mg KOH/g
Primary ApplicationsStructural adhesives, potting, flooring, composites, repair mortars
Key FeaturesLow viscosity, fast ambient cure, low exotherm, excellent adhesion


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