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Desmodur® ultra E 3370

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Product Types

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Material

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General Characterization

Desmodur ultra E 3370 is an aliphatic polyisocyanate prepolymer based on hexamethylene diisocyanate (HDI).
It is suitable for use in the formulation of moisture-curing one-component polyurethane coatings with good weather stability.

Storage Conditions

Desmodur ultra E 3370 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. Storage at high temperatures will cause increased viscosity. Recommended storage temperature is 0º-30ºC.

Sampling

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Packaging Type

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Technical Properties & Datasheets

Property Name Test Method Unit Value
NCO content % 9.5 - 10.5
Viscosity at 23oC mPa∙s 1,100 - 1,700
Non-volatile content % 69 - 71
Color value (Hazen) ≤ 80
Monomeric HDI % < 0.10

Property Name Test Method Unit Value
Density g/ml approx. 1.05
Equivalent weight approx. 420
Flash point °C approx. 50

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