• Item Name: ARALDITE® AW 139-1 / HARDENER HW 5323-1
• Manufacturer: Huntsman
• Technologies: Two-component thixotropic structural epoxy adhesive
• Color: Grey paste
• Cure Type: Room-temperature chemical cure
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
ARALDITE® AW 139-1 / HARDENER HW 5323-1 is a two-component, room-temperature-curing epoxy structural adhesive supplied as a thixotropic grey paste. It delivers high mechanical strength, excellent chemical and water resistance, and strong environmental durability. The system is designed for demanding service conditions, including elevated temperature exposure and aggressive environments. It offers superior gap-filling capability up to 5 mm, making it suitable for precision bonding in industrial and electronic applications.
Bonding of metals, electronic components, and GRP structures
High-strength structural assembly in industrial and transportation sectors
Applications requiring resistance to chemicals, moisture, and high temperatures
Before Mixing / Unmixed Components
| Property | Value | Notes |
|---|---|---|
| Physical form | Grey paste | Thixotropic |
| Mix ratio (by weight/volume) | 100 : 50 | Resin : Hardener |
| Specific gravity | ~1.65 | — |
| Work application | Manual or robotic | — |
| Property | Value | Test Method / Notes |
|---|---|---|
| Tensile strength | 30 MPa | ISO 527, cured 16h/40°C |
| Flexural strength | 60 MPa | ISO 178 |
| Tensile modulus | 3100 MPa | ISO 527 |
| Glass transition temperature | 69–85°C | Depending on cure cycle |
| Dielectric strength | 25 kV/mm | ASTM D-149 |
| Lap shear strength | High on metals/GRP | Optimized at 0.05–0.10 mm bondline |
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