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

DX-75B Curing Agent

DX-75B Curing Agent is a high-performance aliphatic amine-based hardener from the DX Series by Daxin Chemicals, engineered for rapid curing of epoxy resins at ambient temperatures. It delivers excellent chemical resistance, low viscosity, and superior adhesion to metals and composites—ideal for industrial coatings, adhesives, and composite laminates requiring fast turnaround and robust durability.
  • dx 75b curing agent_86ecb50c
  • dx 75b curing agent_86ecb50c

Features Of DX-75B Curing Agent

  1. Fast-reacting aliphatic amine-based curing agent for ambient and elevated temperature cure profiles.

  2. Excellent compatibility with standard epoxy resins, enabling uniform crosslinking without phase separation.

  3. Low viscosity (200–300 mPa·s at 25°C) ensures easy metering, mixing, and improved wetting of fillers and reinforcements.

  4. Low volatility and negligible vapor pressure enhance workplace safety and reduce VOC emissions during processing.

  5. Delivers high glass transition temperature (Tg > 120°C) and superior chemical resistance in cured epoxy systems.

Typical Applications Of DX-75B Curing Agent

  1. Structural adhesives for aerospace composite bonding and metal-to-composite joining.

  2. High-performance electrical encapsulants and potting compounds for power electronics and EV battery modules.

  3. Wind turbine blade adhesive systems requiring rapid green strength and long-term durability under cyclic loading.

  4. Industrial flooring and protective coatings where rapid return-to-service and abrasion resistance are critical.

  5. Prepreg tackifiers and resin infusion matrices for carbon fiber reinforced polymer (CFRP) manufacturing.

Specifications Of DX-75B Curing Agent

Chemical TypeAliphatic polyamine adduct
Product FormLiquid
AppearancePale yellow to amber clear liquid
Density (25°C)0.92–0.95 g/cm³
Viscosity (25°C)200–300 mPa·s
Amine Value380–420 mg KOH/g
Primary ApplicationsEpoxy resin curing for structural composites, adhesives, and encapsulants
Key FeaturesAmbient-cure capable, low blush tendency, hydrolytic stability


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