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Bayhydur® 3100

Hydrophilic aliphatic HDI-polyisocyanat for waterborne 2-component polyurethane systems. Corresponds to the following sections of the U.S. FDA`s guidlines Title 21 CFR: Section 175.105 "Adhesives".

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Product Types

  • Hydrophilic polyisocyanate

Material

No data available

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) DIN EN 1557 ≤ 60
NCO content DIN EN ISO 11 909 % 17.4 ± 0.5
Viscosity at 23 °C DIN EN ISO 3219/A.3 mPa*s 2,800 ± 800
Monomeric HDI DIN EN ISO 10 283 % ≤ 0,15

Property Name Test Method Unit Value
Flash point DIN EN 22 719 °C > 250
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.16
Viscosity at 25 °C DIN EN ISO 3219/A.3 mPa*s approx. 2,500
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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