Desmophen® V 657
Desmophen® V 657 is a trifunctional reactive polyether polyol for the production of polyurethane products.
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About
Product Types
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Material
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General Characterization
Desmophen® V 657 is a trifunctional reactive polyether polyol for the production of polyurethane products.
Storage Conditions
- Storage in original sealed Covestro container.
- Recommended storage temperature: 20 - 40 °C.
- Protect from moisture, heat and foreign material.
General information: The product is sensitive to moisture and should therefore be stored in its sealed original containers.
- Recommended storage temperature: 20 - 40 °C.
- Protect from moisture, heat and foreign material.
General information: The product is sensitive to moisture and should therefore be stored in its sealed original containers.
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Equivalent weight | g/mol | approx. 220 | |
| Color | colourless to yellowish | ||
| Density at 20 °C | DIN 51757 | g/cm^3 | approx. 1.12 |
| Hydroxyl content | % | 7.7 ± 0.5 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Water content | PET-19-01 | % | max. 0.150 |
| Acidity | PET-11-01 | mg KOH/g | max 0.350 |
| Hydroxyl number | PET-11-01 | mg KOH/g | 255 ± 15 |
| Viscosity at 25°C | PET-10-01 | mPa∙s | 265 ± 20 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
