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Desmodur® ultra E 3370

Aliphatic polyisocyanate prepolymer based on hexamethylene diisocyanate. In the formulation of moisture-curing one-component polyurethane coatings with good weather stability.

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Product Types

No data available

Material

Coatings
Ultra-low monomer, Elastic, Solventborne, Weather resistant, Flexible

General Characterization

Aliphatic polyisocyanate prepolymer based on hexamethylene diisocyanate.
In the formulation of moisture-curing one-component polyurethane coatings with good weather stability.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 10 - 30 °C.

- Protect from moisture, heat and foreign material.

General information: The product is sensitive to moisture and should therefore be stored in its sealed original containers. Storage at high temperatures will cause increased viscosity.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 1,100 - 1,700
NCO content M105-ISO 11909 % 9.5 - 10.5
Non-volatile content M020-ISO 3251 % 69.0 - 71.0
Monomeric HDI M106-ISO 10283 % < 0.10
Color value (Hazen) M017-EN 1557 ≤ 80

Property Name Test Method Unit Value
Equivalent weight approx. 420
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.05
Flash point DIN 53 213 °C approx. 50

Downloads

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