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DESMODUR® 44 V 40 L

DESMODUR 44 V 40 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.

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About

Product Types

  • MDI
  • Aromatic polyisocyanate

Material

No data available

General Characterization

DESMODUR 44 V 40 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

Storage in original sealed Covestro containers.
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

Exposure to moisture must be prevented when taking product samples.

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Specific heat (cp) kJ/kgK approx. 1.51
Phenylisocyanate content MDI-01-09 ppm max. 50
Density at 20 °C DIN 51757 g/cm³ approx. 1.23
Coefficient of thermal expansion K^-1 0.000659

Specifications

Property Name Test Method Unit Value
NCO content MDI-01-01 % by wt. 30.0 - 32.0
Viscosity at 25 °C * MDI-01-02 mPa*s 350 - 450
Acidity MDI-01-03 ppm HCI max. 300

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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