Desmodur® 3133
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.NCO Content ca. 32.5 %
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About
Product Types
No data available
Material
No data available
General Characterization
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.
Storage Conditions
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
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
Sampling
Moisture access must be prevented when taking product samples.
Packaging Type
Drums
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Specific gravity at 25 °C | DIN 51757 | g/cm³ | approx. 1.21 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Acidity | MDI-01-03 | mg/kg | ≤ 300 |
| Viscosity 25 °C | MDI-01-02 | mPa*s | 25 ± 10 |
| Viscosity 25 °C | MDI-01-02 | mPa*s | 25 ± 10 |
| NCO content | MDI-01-01 | % by wt. | 32.5 ± 0.5 |
| NCO content | MDI-01-01 | % by wt. | 32.5 ± 0.5 |
| Acidity | MDI-01-03 | mg/kg | ≤ 300 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
