Applications

LOCTITE EA 9309NA AERO – Toughened Epoxy Paste Adhesive

  • Item Name: LOCTITE EA 9309NA AERO
  • Manufacturer: Henkel
  • Technologies: Epoxy, Two-component adhesive
  • Color: Beige (Part A), Red (Part B), Red (Mixed)
  • Cure Type: Room temperature cure, Accelerated cure possible
  • Package Size: Contact Avantek for details
  • Shelf Life: 1 year

1. Product Overview

LOCTITE EA 9309NA AERO is a toughened epoxy paste adhesive designed for bonding metal, wood, plastics, and glass. It provides high peel strength, flexibility, and resistance to water, salt spray, and most common fluids. The adhesive cures at room temperature and has two components (Part A & Part B).


2. Applications

  • Bonding metal, wood, plastics, and glass
  • Ideal for aerospace and industrial applications
  • Provides high peel strength to aluminum
  • Works well in high-humidity environments

3. Typical Properties

Uncured Properties

Property Part A Part B Mixed
Color Beige Red Red
Viscosity @ 77°F (25°C) 1,500 – 6,000 Poise 0.2 – 0.5 Poise 120 Poise
Density (g/ml) 1.15 1.00 1.1
Shelf Life (@ <77°F/25°C) 1 year 1 year

Handling & Curing

  • Mix Ratio (by weight): 100 (Part A) : 23 (Part B)
  • Pot Life: 40 minutes at 77°F (25°C)
  • Cure Time:
    • Room Temperature: 3 – 5 days at 77°F (25°C)
    • Accelerated Cure: 1 hour at 180°F (82°C)

Bond Strength Performance (ASTM D1002 – Aluminum, PAA-treated)

Temperature 3 days @ 77°F (25°C) (psi) 1 hour @ 180°F (82°C) (psi)
-67°F (-55°C) 4,000 6,700
77°F (25°C) 5,000 6,100
180°F (82°C) 600 1,300
77°F (25°C) (Hot/Wet) 5,700

Peel Strength (ASTM D3167 – Aluminum, PAA-treated, 10 mil bondline thickness)

Test Temperature 24h @ 77°F (25°C) (lbf/in) 1h @ 180°F (82°C) (lbf/in)
77°F (25°C) 89 85

Other Properties

Property Value
Service Temperature Up to 160°F (71°C)
Tensile Strength (ASTM D638) 4,500 psi (31.0 MPa)
Tensile Modulus 338 ksi (2,331 MPa)
Compressive Strength (ASTM D695) 7,000 psi (48.2 MPa)
Shore D Hardness 80
Glass Transition Temperature (Tg, DMTA) 127°F (dry) / 147°F (wet)

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