Description
Huntsman Arathane AW 5540 is a two-component polyurethane adhesive resin designed for bonding SMC, fiberglass-reinforced plastics, cured plastics, and metals. Used with compatible hardeners, the system provides adjustable work life for different production requirements. The adhesive offers strong adhesion, fast cure, and non-sag performance.
This NAV00034 version meets military specification requirements.
Which Hardener Should I Use?
Designed for NAV specification systems and controlled production.
| Requirement | Recommended Hardener | Work Life | Notes |
|---|---|---|---|
| NAV specification compliance (primary) | Huntsman Arathane HW 5542 Hardener – NAV00033 | 2–3 minutes | Required to maintain NAV system compliance. Fast cure for production environments. |
| Longer working time (non-spec use) | Huntsman Arathane HW 5541 Polyurethane Adhesive Hardener | 10–15 minutes | Can be used when specification compliance is not required. Allows more assembly time. |
Key Product Details
| Property | Value |
|---|---|
| Chemistry | Polyurethane Adhesive |
| Mix Ratio (Volume) | 1:1 |
| Mix Ratio (Weight) | 100R / 95H |
| Viscosity | 60,000 cP |
| Color | Dark Brown |
| Sag Resistance | Non-sag (1/4″ bead) |
| Compatible Hardeners | HW 5541, HW 5542 |
Performance in Production
- Non-sag, thixotropic for vertical or gap filling
- Designed for meter mix dispensing systems
- Work life determined by hardener selection
- Strong adhesion to composites and metals
- Moisture resistant
Compatible Hardeners (Required)
- HW 5542 Hardener – NAV00033 (spec-matched system, 2–3 minute work life)
- HW 5541 Hardener – 10–15 minute work life
Specification Note
For specification-controlled applications, use the NAV00033 hardener to maintain compliance. Alternate hardeners may be used where specifications are not required.
Specification Compliance
- NAVY WS24876 Rev E
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