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Desmodur® PF

Desmodur® PF is a modified diphenyl-methane-4,4'-diisocyanate (MDI).

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Product Types

  • MDI

Material

No data available

General Characterization

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.

Storage Conditions

- Storage in original sealed Covestro container.

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Recommended storage temperature: 20 - 25 °C.

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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.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
NCO MDI-01-01 % 23.0 ± 0.5
Viscosity 25 °C MDI-01-02 mPa*s 600 ± 100
Hydrolysable chlorine (Cl) MDI-01-04 mg/kg max. 50

Property Name Test Method Unit Value
Density 25 °C DIN 51 757 g/cm3 approx. 1.21
Vapor pressure at 20 °C (MDI) hPa -5
Solidification temperature °C < 20
Phenyl isocyanate content MDI-01-09 mg/kg max. 10

Downloads

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