- Adhesives
Desmocoll® 540/4
Predominantly linear, flexible hydroxyl polyurethane with a exremly high crystallisation rate. It has outstanding adhesion on PVC substrates, high green strength and heat resistance of the bonds.
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About
Product Types
- PU resin
Material
- Adhesives
- Heat activated, Solventborne
General Characterization
Predominantly linear hydroxyl polyurethane.
Desmocoll® 540/4 is a flexible polyurethane with an extremely high crystallization rate and very low thermoplasticity. It is characterised by its high green strength and the heat resistance of the bonds.
Desmocoll® 540/4 has outstanding adhesion on PVC substrates and high resistance to the most commonly used PVC plasticizers.
Desmocoll® 540/4 is a flexible polyurethane with an extremely high crystallization rate and very low thermoplasticity. It is characterised by its high green strength and the heat resistance of the bonds.
Desmocoll® 540/4 has outstanding adhesion on PVC substrates and high resistance to the most commonly used PVC plasticizers.
Storage Conditions
- Storage in original sealed Covestro containers.
- Recommended storage temperature: 10 - 25 °C.
- Protect from direct sunlight, moisture, heat and foreign material.
- Recommended storage temperature: 10 - 25 °C.
- Protect from direct sunlight, moisture, heat and foreign material.
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Density | DIN EN ISO 2811 | g/ml | approx. 1.2 |
| Hot tack life | DIN EN 12961 | min | approx. 4 |
| Bondability of materials containing plasticizers | DIN EN 15307 | excellent | |
| Heat resistance | ASTM D 816 | °C | approx. 80 |
| Minimum activation temperature | DIN EN 12961 | °C | approx. 60 |
| Hydroxyl content | DIN 53 240 | % | < 0.1 |
| Crystallization | DIN 53 505 | min | approx. 10 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Solution viscosity, 15 % inbutanone-2 (MEK) at 23 °C, Haake | DIN EN ISO 3219/A.3 | mPa*s | 1,800 ± 300 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
