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

Air Products HW5323 Epoxy Structural Adhesive Curing Agent

Air Products HW5323 is a high-performance epoxy structural adhesive curing agent from the HW Series, engineered for rapid room-temperature cure, exceptional toughness, and superior bond strength on metals, composites, and plastics—ideal for aerospace, automotive, and industrial assembly applications requiring reliability and process efficiency.
  • air products hw5323 epoxy structural adhesive curing agent_63e70e1f
  • air products hw5323 epoxy structural adhesive curing agent_63e70e1f

Features Of Air Products HW5323 Epoxy Structural Adhesive Curing Agent

  1. High reactivity with standard epoxy resins, enabling rapid gelation and reduced cycle times.

  2. Excellent adhesion to metals, composites, and thermoset plastics without surface priming.

  3. Low volatility and low odor formulation, supporting safer handling in enclosed manufacturing environments.

  4. Good thermal stability with glass transition temperature (Tg) retention above 120 °C after full cure.

  5. Consistent stoichiometric performance across batch-to-batch production, ensuring process reliability.

Typical Applications Of Air Products HW5323 Epoxy Structural Adhesive Curing Agent

  1. Aerospace composite bonding for secondary structures and interior components.

  2. Automotive structural assembly of aluminum-intensive body-in-white and battery enclosures.

  3. Wind turbine blade root joints and shear web bonding in OEM manufacturing.

  4. Rail vehicle component bonding requiring high peel strength and fatigue resistance.

  5. Industrial machinery mounting where vibration damping and long-term dimensional stability are critical.

Specifications Of Air Products HW5323 Epoxy Structural Adhesive Curing Agent

Chemical TypeModified aliphatic amine
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsStructural adhesive curing for aerospace, automotive, and renewable energy sectors
Key FeaturesFast-cure capability, low exotherm, excellent substrate wetting
BenefitsImproved production throughput, reduced energy consumption, enhanced bond durability
Storage ConditionStore at 15–25 °C in original sealed container; protect from moisture
Shelf Life12 months from date of manufacture when stored properly


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