Diphenylmethane Diisocyanate

Diphenylmethane Diisocyanate

DESMODUR® 3133 Desmodur® 3133 is a mixture of modified 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.At room temperature the product is a...
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Product Details

DESMODUR® 3133

Desmodur® 3133 is a mixture of modified 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.At room temperature the product is a blownish black liquid.


Property

Value

Unit of   measurement

NCO content

32.5 ± 0.5

% by wt.

Viscosity 25 °C

25 ± 10

mPa·s

Acidity

≤ 300

mg/kg

Specific   gravity at 25 °C

approx. 1.21

g/cm³


Storage                                                 

Recommended storage temperature (°C): 20~40 Shelf life (ex works)

4 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


Packing : 225kg/drum 

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