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Materialklassen
- MDI
Material
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Allgemeine Charakterisierung
Desmodur® PF is a modified diphenyl-methane-4,4'-diisocyanate (MDI).
Desmodur® PF is a modified diisocyanate that is liquid at room temperature and is suitable for combination with Baycoll®, Desmophen® and Acclaim® in the formulation of adhesives.
Desmodur® PF is a modified diisocyanate that is liquid at room temperature and is suitable for combination with Baycoll®, Desmophen® and Acclaim® in the formulation of adhesives.
Lagerungsbedingungen
- Storage in original sealed Covestro container.
- Recommended storage temperature: 20 - 25 °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. Prolonged storage at temperatures above 25 °C results in a deterioration in quality as the product becomes increasingly turbid owing to the formation of a sediment (dimers) that is not readily soluble. For example, storage stability at 40 °C is limited to a maximum of 4 months. Storage at too low temperature results in crystallisation which starts at temperatures below 20 °C.
To prevent crystallisation, it must be ensured that the product does not cool to below 20 °C. The product should be checked for crystallisation on delivery. If crystallisation has occurred during transportation, the prodcut should be returned immediately.
- Recommended storage temperature: 20 - 25 °C.
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General information: The product is sensitive to moisture and should therefore be stored in its sealed original containers. Prolonged storage at temperatures above 25 °C results in a deterioration in quality as the product becomes increasingly turbid owing to the formation of a sediment (dimers) that is not readily soluble. For example, storage stability at 40 °C is limited to a maximum of 4 months. Storage at too low temperature results in crystallisation which starts at temperatures below 20 °C.
To prevent crystallisation, it must be ensured that the product does not cool to below 20 °C. The product should be checked for crystallisation on delivery. If crystallisation has occurred during transportation, the prodcut should be returned immediately.
Probenahme
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Verpackungsart
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Technische Eigenschaften & Datenblätter
Genannte Eigenschaften Merkmale
| Name der Eigenschaft | Prüfverfahren | Einheit | Wert |
|---|---|---|---|
| Solidification temperature | °C | < 20 | |
| Density 25 °C | DIN 51 757 | g/cm3 | approx. 1.21 |
| Vapor pressure at 20 °C (MDI) | hPa | < 10^-5 | |
| Phenyl isocyanate content | MDI-01-09 | mg/kg | max. 10 |
Genannte Eigenschaften Spezifikation
| Name der Eigenschaft | Prüfverfahren | Einheit | Wert |
|---|---|---|---|
| Viscosity 25 °C | MDI-01-02 | mPa*s | 600 ± 100 |
| Hydrolysable chlorine (Cl) | MDI-01-04 | mg/kg | max. 50 |
| NCO | MDI-01-01 | % | 23.0 ± 0.5 |
Downloads
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Technisches Datenblatt
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SicherheitsdatenblattKein direkter Download verfügbar, bitte besuchen Sie www.productsafetyfirst.covestro.com
