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.
Unit of measurement
32.5 ± 0.5
% by wt.
Viscosity 25 °C
25 ± 10
Specific gravity at 25 °C
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