- Foams
Desmophen® 7619 W - for flexible slabstock foams
A reactive polyether-based polyurea dispersion. It is used for the production of high resilience PUR slabstock foams and for the production of high loadbearing foams. Hydroxyl Number approx. 28 mg KOH/g
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About
Product Types
- Polyol
Material
- Foams
- Flexible, Slabstock
General Characterization
Desmophen® 7619 W is reactive polyether-based polyurea dispersion with a solid content of approx. 20% by weight. It is used for the production of high resilience PUR slabstock foams and for the production of high loadbearing foams.
Storage Conditions
Recommended storage temperature (°C): 10 - 35
Shelf life (ex works)
12 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
Shelf life (ex works)
12 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
Sampling
Moisture access must be prevented when taking product samples.
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| TDI basic value | pbw Desmodur® T calculated on 100 pbw Desmophen® 7619 W in an anhydrous state. | 4.42 | |
| Specific heat capacity (Cp) at 25 °C | DIN 51007 | kJ/kg ^. K | 1.779 |
| Density 25 °C | DIN 51757 | g/cm³ | 1.08 |
| The water content must be taken into account when preparing the formulation. | |||
| Appearance | PET-03-04 | opaque, white liquid | |
| pH value | PET-13-02 | 7.5 - 8.5 | |
| Thermal conductivity at 20 °C | DIN 52612-1 | W ^. m^-1 ^. K^-1 | 0.160 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Viscosity 25 °C | PET-10-01 | mPa*s | 3200 - 4000 |
| Water content | PET-19-01 | % by wt. | 0.45 - 0.55 |
| Hydroxyl number | PET-11-01 | mg KOH/g | 26.5 - 30.5 |
| Water content | PET-19-01 | % by wt. | 0.45 - 0.55 |
| Hydroxyl number | PET-11-01 | mg KOH/g | 26.5 - 30.5 |
| Viscosity 25 °C | PET-10-01 | mPa*s | 3200 - 4000 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
