Desmodur® SWN
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About
Product Types
No data available
Material
No data available
General Characterization
DESMODUR® SWN is a liquid, modified mixture of diphenylmethane-4,4'-diisocyanate (MDI) with isomers and homologues of higher functionality. It can be used in combination with polyols for the production of polyurethanes.
Storage Conditions
Storage temperature: 15 - 30 °C
Shelf life: 6 months
Like all isocyanates, DESMODUR® SWN reacts with water and should therefore be protected against moisture. The product is also sensitive to frost and may undergo partial crystallisation if exposed to temperatures below 0°C.
Shelf life: 6 months
Like all isocyanates, DESMODUR® SWN reacts with water and should therefore be protected against moisture. The product is also sensitive to frost and may undergo partial crystallisation if exposed to temperatures below 0°C.
Sampling
Moisture ingress should be prevented when taking product samples.
Packaging Type
Drums: approx. 240 kg; containers: approx 1100 kg
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Odour | neutral, musty | ||
| Colour | brown | ||
| Density 23°C | calculated | g/cm³ | approx. 1.22 |
| Viscosity 25°C | MDI-01-02 | mPas | approx. 70 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| NCO-content | MDI-01-01 | % by wt. | 28.7 - 29.3 |
| NCO-content | MDI-01-01 | % by wt. | 28.7 - 29.3 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
