• Item Name: URALANE® 5779-1 A-80/B
• Manufacturer: Huntsman
• Technologies: Polyurethanes (PU)
• Color: Beige
• Cure Type: Two-component, room-temperature
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 6 months
URALANE® 5779-1 A-80/B is a two-component (2K) polyurethane adhesive with a non-flow paste consistency, suitable for bonding metals and plastics. It functions as a sealant or caulking compound and is available in beige. The adhesive provides good UV stability, low flow, and is UV-stabilized, making it suitable for aerospace interior and transportation applications. It meets Boeing BMS 5-105, Type VI specifications and has convenient 1:1 mixing by volume.
Aerospace interior bonding and sealing
Automotive and transportation bonding
Compatible substrates: metals, plastics
Functions as a sealant, caulking compound, or adhesive
Before Mixing / After Mixing
| Property | Test Method | Value (Before Mixing) | Value (After Mixing) |
|---|---|---|---|
| Physical Form | – | Paste | Paste |
| Density | ASTM D792 | 1.42 g/cm³ | 1.42 g/cm³ |
| Gel Time | – | – | 8–15 min at 25°C, 100 g |
| Tensile Lap Shear, Aluminum | ASTM D1002 | – | 25°C: 11.4 MPa; 82°C: 5.2 MPa; 121°C: 3.3 MPa; -55°C: 32.4 MPa |
| Tensile Lap Shear, Polycarbonate | ASTM D1002 | – | 25°C: 4.8 MPa |
| T-Peel, Aluminum | ASTM D1876 | – | 1.75 N/mm at 25°C |
| T-Peel, Polycarbonate | ASTM D1876 | – | 1.75 N/mm at 25°C |
| Durometer Hardness | ASTM D2240 | – | 52 Shore D |
| Self-extinguish Time | – | – | < 2 sec |
| Burn Length | – | – | < 8 in |
| Drip Self-extinguishing Time | – | – | < 1 sec |
| Typical Cure Cycles | – | – | 7 days at 23°C or 3 h RT + 4 h at 66°C |
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