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Desmodur® CQ 3230 MB - for flexible moulded foams

Desmodur CQ 3230 MB 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. Our certified Desmodur CQ 3230 MB has a share of approx. 61% bio-based feedstock attributed via the mass balance approach.

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Material

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General Characterization

Desmodur CQ 3230 MB 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. Our certified Desmodur CQ 3230 MB has a share of approx. 61% bio-based feedstock attributed via the mass balance approach.

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® CQ 3230 MB, 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
Density 25 °C DIN 51757 g/cm³ approx. 1.21
Appearance DIN ISO 6271 brownish black liquid

Specifications

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

Downloads

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

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