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Desmodur® VP.PU 3230 - for flexible moulded foams

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About

Product Types

  • MDI

Material

No data available

General Characterization

Desmodur® VP.PU 3230 is a mixture of diphenylmethane-4,4'-diisocyanate (MDI) with isomers and homologues of higher functionality used for the production of the flexible polyurethane cold-curing HR molded foam for automotive seating.

Storage Conditions

Recommended storage temperature (°C): 20 - 40
Shelf life (ex works)
6 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the nature of the product.
Recommended temperature for processing (°C): 20 - 25
Lengthy storage leads to an increase in the viscosity of Desmodur® VP.PU 3230, although in our experience this has no adverse effect on the processing.

Sampling

Moisture access must be prevented when taking product samples.

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Appearance DIN ISO 6271 brownish black liquid
Density 25 °C DIN 51757 g/cm³ approx. 1.21

Specifications

Property Name Test Method Unit Value
NCO content MDI-01-01 % by wt. 32.0 - 33.0
Acidity MDI-01-03 ppm ≤ 150
Viscosity 25 °C MDI-01-02 mPa*s 15 - 35
Viscosity 25 °C MDI-01-02 mPa*s 15 - 35
Acidity MDI-01-03 ppm ≤ 150
NCO content MDI-01-01 % by wt. 32.0 - 33.0

Downloads

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

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