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  • Coatings, paints & inks
  • Adhesives

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

Material

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

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

Characteristics

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

Specifications

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

Downloads

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

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