DESMODUR® 44 V 70 L
DESMODUR 44 V 70 L is a liquid, dark brown mixture of diphenylmethane-4,4'-diisocyanate with isomers and homologues of higher functionality. It can be used in conjunction with polyols for the production of polyurethane products.
About
Product Types
- MDI
- Aromatic polyisocyanate
Material
No data available
General Characterization
DESMODUR 44 V 70 L is a liquid, dark brown mixture of diphenylmethane-4,4'-diisocyanate with isomers and homologues of higher functionality.
It can be used in conjunction with polyols for the production of polyurethane products.
Storage Conditions
Recommended storage temperature: 10 – 30 °C (in exceptional cases up to 50 °C)
Protect from moisture, heat and foreign material.
Covestro represents that, for a period of 6 months following the day of shipment as stated in the respective delivery documents, the product will meet the values set forth in section "specification" above provided that the product is stored in full compliance with the storage conditions and is otherwise handled appropriately. The lapse of this period does not necessarily mean that the product no longer meets specifications. However, prior to using said product, Covestro recommends to test such a product if it still meets the specifications. Covestro does not make any representation regarding the product after the period and Covestro shall not be responsible or liable in any way for the product failing to meet specifications after the period.
Sampling
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Coefficient of thermal expansion | K^-1 | 0.000659 | |
| Density at 20 °C | DIN 51757 | g/cm³ | approx. 1.23 |
| Phenylisocyanate content | MDI-01-09 | ppm | max. 50 |
| Specific heat (cp) | kJ/kgK | ca. 1.51 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| NCO content | MDI-01-01 | % by wt. | 30.5 - 32.0 |
| Acidity | MDI-01-03 | ppm HCI | max. 500 |
| Viscosity at 25 °C * | MDI-01-02 | mPa*s | 610 - 750 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
