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Korapur 784 400ml two-component polyurethane adhesive for steel, aluminum, ABS and PVC plastics, quick bonding, automotive and construction industry, high shear strength, solvent-free structural adhesive
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Product code:
15045718
Description
Körapur 784 – Two-component polyurethane adhesive for the construction and automotive industries.
Körapur 784 is a high-quality, two-component polyurethane adhesive with excellent bonding properties, intended for use in the construction and automotive industries. Thanks to its reactive formula, it is ideal for bonding materials such as ABS, rigid PVC, GRP, steel and aluminum.
Product advantages
- Two-component formula - fast and durable bonding.
- Availability of different opening times (1-5 minutes).
- High resistance to mechanical stress (shear strength: 13 N/mm²).
- Excellent adhesion to many substrates, including metals and plastics.
- Solvent-free formula - user- and environmentally friendly.
- Reaches full strength after 24 hours.
- Stability and durability in a wide temperature range.
Application
Körapur 784 is a universal reactive adhesive, dedicated for professional applications in:
- Gluing steel and aluminum elements.
- Joining plastics such as ABS, rigid PVC and GRP.
- Production and repairs in the automotive industry.
- Construction applications requiring durable and resistant connections.
- Repairs of composite and metal structures.
Technical properties
| Property | Parameter |
|---|---|
| Chemical basis | Polyurethane, two-component |
| Color | Component A: black / Component B: yellowish-white |
| Density | Component A: 1.2 g/cm³ / Component B: 1.6 g/cm³ |
| Viscosity | Component A: 40,000 mPa·s / Component B: 20,000 mPa·s |
| Mixing ratio | 1:1.3 (by weight) / 1:1 (by volume) |
| Strength on shear | 13 N/mm² |
| Hardness | Shore D 65 |
| Open time (pot life) | 1–5 minutes (depending on version) |
| Pretreatment time | 1–2 hours |
| Application temperature | +15°C to +25°C |
| Full cure | 24 hours |
Method application
- Prepare the surfaces – they must be clean, dry and free of grease.
- If necessary, sand the metal and composite surfaces.
- Mix components A and B in a 1:1 ratio until a uniform colour is obtained.
- Apply the adhesive evenly using a spatula or applicator.
- Join the glued elements, ensuring the appropriate thickness of the adhesive layer.
- Initial load is possible after 12 hours, full strength is achieved after 24 hours.
Storage recommendations
- Store in tightly closed, original packaging.
- Storage temperature: not lower than +10°C.
- Maximum storage time: 12 months.
- Protect from moisture and direct heat.
User safety
When working with **Körapur 784**, wear protective gloves and avoid direct skin contact. For detailed information, see the Material Safety Data Sheet.
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