Desmodur® W/1
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Allgemeine Charakterisierung
Monomeric cycloaliphatic diisocyanate.
In the manufacture of polyisocyanates and polyurethanes.
In the manufacture of polyisocyanates and polyurethanes.
Lagerungsbedingungen
- Storage in original sealed Covestro container.
- Recommended storage temperature: 0 - 30 °C.
- Protect from moisture, heat and foreign material.
General information: The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Storage at temperatures of approx. 25 °C and below can result in crystallization and appropriate settling at the bottom. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Our recommendation in that case is warming the product to 40 - 50°C and homogenization before use.
- Recommended storage temperature: 0 - 30 °C.
- Protect from moisture, heat and foreign material.
General information: The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Storage at temperatures of approx. 25 °C and below can result in crystallization and appropriate settling at the bottom. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Our recommendation in that case is warming the product to 40 - 50°C and homogenization before use.
Probenahme
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Verpackungsart
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Technische Eigenschaften & Datenblätter
| Name der Eigenschaft | Prüfverfahren | Einheit | Wert |
|---|---|---|---|
| Hydrolyzable chlorides | internal method | mg/kg | ≤ 10 |
| NCO content (calculated from GC) | internal method | % | ≥ 31.8 |
| Assay (GC) | internal method | % | ≥ 99.5 |
| Color value (Hazen) | DIN EN 1557 | ≤ 30 | |
| Acidity | internal method | mg/kg | ≤ 10 |
| Name der Eigenschaft | Prüfverfahren | Einheit | Wert |
|---|---|---|---|
| Vapor pressure at 25 °C | hPa | approx. 2.1 · 10^-5 | |
| Density at 20 °C | DIN EN ISO 2811 | g/ml | approx. 1.07 |
| Total chlorides | mg/kg | ≤ 10 | |
| Start of crystallization | °C | approx. 25 | |
| Viscosity at 25 °C | DIN EN ISO 3219/A.3 | mPa*s | approx. 30 |
| Flash point | DIN EN 22 719 | °C | approx. 200 |
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Technisches Datenblatt
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