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About

Product Types

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Material

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General Characterization

DESMODUR VKS 20 FH is a liquid, dark brown polymeric isocyanate based on 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
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
Density 20 °C DIN 51757 g/cm³ approx. 1.23
Specific heat (cp) kJ/kgK approx. 1.51
Coefficient of thermal expansion K^-1 0.000659
Phenylisocyanate content MDI-01-09 ppm max. 50

Specifications

Property Name Test Method Unit Value
Acidity MDI-01-03 ppm HCI 80 - 150
NCO content MDI-01-01 % by wt. 30.5 - 32.5
Viscosity at 25 °C * MDI-01-02 mPa*s 160 - 240

Downloads

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

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