Mondur® 582

2,4' rich polymeric MDI; NCO: approx. 32.1 Wt. %; Viscosity: approx. 55 mPa·s @ 25°C

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Product Types

  • PMDI


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General Characterization

Mondur 582 is a low-to-medium functionality polymeric diphenylmethane diisocyanate (pMDI) with a moderately high 2,4’-MDI isomer content.

Storage Conditions

Mondur 582 polyisocyanate must be stored in tightly closed containers and protected from moisture and foreign materials. Processability of this material can be adversely affected by contamination. It will react with water to form polyureas and carbon dioxide gas, which may cause sealed containers to expand and rupture. Recommended storage temperatures are 10° to 30°C (50° to 86°F).
The shelf life is six months after receipt of material by customer, when stored in sealed original containers under conditions stated above.


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Packaging Type

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Technical Properties & Datasheets

Property Name Test Method Unit Value
Density at 25°C lb/gal 10.3
Appearance Brown/grey liquid
Equivalent weight avg.(as supplied) 131
Flash point PMCC °C 149
Specific gravity at 25°C 1.24


Technical Data Sheet
Safety Data Sheet
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