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  • Adhesives
  • Coatings

Bayhydur® ultra 3100

Hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI). As the hardener component for high-quality aqueous two-component polyurethane systems and as an additive to improve the property profile of aqueous coating and adhesive systems.

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About

Product Types

  • PIC
  • Crosslinkers
  • Hardeners
  • Aliphatic polyisocyanate
  • Hydrophilic polyisocyanate
  • Isocyanate
  • Polyisocyanurate
  • Reactive system
  • Polyisocyanate

Material

Coatings
Easy mixing, Weather resistant, Waterborne, Ultra-low monomer
Adhesives
Heat activated, Moisture resistant, Ultra-low monomer, Waterborne

General Characterization

Hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
As the hardener component for high-quality aqueous two-component polyurethane systems and as an additive to improve the property profile of aqueous coating and adhesive systems.
With respect to its composition, the product corresponds to the following sections of the U.S. FDA's guidlines "Title 21 CFR" : Section 175.105 "Adhesives".

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 0 - 30 °C.

- Protect from moisture, heat and foreign material.

General information: Hydrophilic isocyanates are very moisture-sensitive and react with water to form carbon dioxide and insoluble ureas. The containers must always be kept tightly closed. The access of water in all forms (moist air, solvents, moist containers) must be prevented, because the generation of carbon dioxide can lead to dangerous increases in pressure. Storage at higher temperatures will result in increase of color and viscosity.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Color value (Hazen) M017-EN 1557 ≤ 60
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 2,800 ± 800
Monomeric HDI M106-ISO 10283 % < 0.10
NCO content M105-ISO 11909 % 17.4 ± 0.5

Property Name Test Method Unit Value
Density at 20 °C DIN 53217 g/ml approx. 1.16
Viscosity at 25 °C M014-ISO 3219/A.3 mPa*s approx. 2,500
Flash point DIN EN 22719 °C > 250
Equivalent weight approx. 241

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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