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Desmoseal® M 280

Aromatic prepolymer based on diphenylmethane diisocyanate. As a binder in the formulation of one-component polyurethane sealants.

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Material

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General Characterization

Desmoseal M 280 is an aromatic prepolymer based on diphenylmethane diisocyanate.
It is suitable for use as a binder for one-component polyurethane sealants.

Storage Conditions

Desmoseal M 280 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture and should therefore always be kept tightly sealed in its original container. Recommended storage temperature is approximately 18o - 30oC.

Sampling

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Density at 20^oC g/ml approx. 1.07
Flash point °C > 120
Equivalent weight approx. 2000

Specifications

Property Name Test Method Unit Value
Viscosity (23^oC) mPa∙s 33,000 ± 7,000
NCO content % 2.1 ± 0.3

Downloads

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

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