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

HDX-70L Curing Agent

HDX-70L Curing Agent is a high-performance aliphatic amine-based hardener from Hexion’s HDX series, engineered for rapid ambient-cure epoxy systems. It delivers excellent chemical resistance, low viscosity, and superior adhesion to damp substrates—ideal for industrial flooring, concrete repair, and protective coatings where fast turnaround and durability are critical.
  • hdx 70l curing agent_06fb3576
  • hdx 70l curing agent_06fb3576

Features Of HDX-70L Curing Agent

  1. Low-viscosity liquid formulation enables easy handling and uniform mixing with epoxy resins.

  2. Room-temperature curing capability with rapid gelation and full cure within 24–48 hours.

  3. Excellent chemical resistance to alkalis, solvents, and mild acids after full cure.

  4. Low exotherm profile minimizes internal stress and reduces risk of cracking in thick-section castings.

  5. Halogen-free composition supports compliance with RoHS and REACH regulatory requirements.

Typical Applications Of HDX-70L Curing Agent

  1. Electrical potting and encapsulation for transformers, sensors, and PCB modules.

  2. Structural adhesives in automotive composite bonding and lightweight assembly.

  3. High-performance flooring and grouting systems for industrial facilities.

  4. Wind turbine blade bonding and repair formulations requiring low-temperature operability.

  5. Marine coatings and corrosion-resistant linings for offshore infrastructure.

Specifications Of HDX-70L Curing Agent

Chemical TypeAliphatic polyamine adduct
Product FormClear to pale yellow liquid
AppearanceHomogeneous, free from sediment or haze
Viscosity (25°C)350–550 mPa·s
Density (25°C)0.96–0.99 g/cm³
Amine Value280–320 mg KOH/g
Primary ApplicationsEpoxy resin curing for electrical, structural, and protective applications
Key FeaturesRoom-temperature cure, low exotherm, halogen-free, solvent-free


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