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Bayhydur® ultra 2700

Hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI). As a hardener for aqueous two-component polyurethane systems.

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Product Types

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Material

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General Characterization

Hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
As a hardener for aqueous two-component polyurethane systems.

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

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Packaging Type

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Density at 20 °C DIN 51757 g/ml approx. 1.06
Equivalent weight approx. 396
Flash point DIN EN ISO 2719 °C approx. 61

Specifications

Property Name Test Method Unit Value
Monomeric HDI M106-ISO 10283 < 0.10
Non-volatile content (2.2 g / 120 min / 100°C) M020-ISO 3251 % 65 ± 2
Color value (Hazen) M017-EN 1557 ≤ 150
NCO content M105-ISO 11909 % 10.6 ± 0.3
Viscosity at 23 °C, (D = 200 s^-1) M014-ISO 3219/A.3 mPa*s 75 ± 15

Downloads

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

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