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Desmodur® E 743

Desmodur E 743 is a polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI).

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Product Types

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Material

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General Characterization

Desmodur E 743 is a polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI).

Storage Conditions

Desmodur E 743 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture. Recommended storage temperature is 5º-50ºC.

Sampling

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Packaging Type

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Technical Properties & Datasheets

Property Name Test Method Unit Value
NCO content % 7.8 - 8.2
Viscosity at 25°C mPa∙s 1,700 - 3,300

Property Name Test Method Unit Value
Equivalent weight avg. (as supplied) 525
Appearance Light yellow liquid
Flash point PMCC °C 200
Specific gravity at 20°C 1.09
Solids Wt. % 100
Weight per gallon at 25°C lb. 9.0
Specific gravity at 20°C 1.09

Downloads

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