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Bayhydur® ultra 2759

Hydrophillic aliphatic polyisocyanate based on isophorone diisocyanate (IPDI).Hardener for waterborne two-component polyurethane systems.

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General Characterization

Bayhydur ultra 2759 is a hydrophillic aliphatic polyisocyanate based on isophorone diisocyanate (IPDI).
It is used as a hardener for waterborne two-component polyurethane systems.

Storage Conditions

Bayhydur ultra 2759 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Recommended storage temperature is 0º-30ºC.

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Density at 20^oC g/cm^3 approx. 1.09
Flash point °C approx. 50
Hazen color value ≤ 100

Specifications

Property Name Test Method Unit Value
Non-volatile content % 68 - 72
Viscosity at 23^oC mPa∙s approx. 5,000 - 7,000
NCO content % 10.5 - 11.5
Monomeric IPDI (supply form) % < 0.5

Downloads

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

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