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

Evonik Epoxy Curing Agent 502

Evonik Epoxy Curing Agent 502 is a high-performance aliphatic amine-based hardener from Evonik’s Vestamin® series, delivering rapid cure at ambient temperatures, excellent adhesion to diverse substrates, and superior chemical resistance—ideal for industrial coatings, composites, and adhesive applications requiring robust mechanical properties and low viscosity processing.
  • evonik epoxy curing agent 502_e5147563
  • evonik epoxy curing agent 502_e5147563

Features Of Evonik Epoxy Curing Agent 502

  1. Fast-reacting aliphatic amine-based curing agent for room-temperature and elevated-temperature epoxy systems.

  2. Enables excellent mechanical properties including high tensile strength and impact resistance in cured epoxy networks.

  3. Low viscosity (≈350–450 mPa·s at 25 °C) ensures easy handling, precise metering, and superior wetting of fillers and reinforcements.

  4. Low volatility and low skin sensitization potential compared to conventional DETA-type amines — supports safer industrial handling.

  5. Provides good chemical resistance to water, salts, and mild acids after full cure.

Typical Applications Of Evonik Epoxy Curing Agent 502

  1. High-performance structural adhesives for automotive and aerospace bonding.

  2. Electrical encapsulation and potting compounds requiring rapid throughput and reliable dielectric performance.

  3. Industrial flooring and heavy-duty coatings demanding rapid return-to-service and abrasion resistance.

  4. Composite matrix resins for pultrusion and filament winding processes.

  5. Repair mortars and grouts where fast strength development and low odor are critical.

Specifications Of Evonik Epoxy Curing Agent 502

Chemical TypeAliphatic polyamine adduct
Product FormLiquid
AppearanceClear to pale yellow liquid
Density (20 °C)≈0.92–0.96 g/cm³
Viscosity (25 °C)350–450 mPa·s
Amine Value380–420 mg KOH/g
Reactivity ProfileMedium-fast, compatible with standard DGEBA resins
Primary ApplicationsStructural adhesives, coatings, composites, electrical encapsulation


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