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  • Coatings, paints & inks

Bayhydur® ultra 2700

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

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About

Product Types

  • PIC
  • HDI
  • Isocyanate
  • Polyisocyanurate
  • Aliphatic polyisocyanate
  • Hydrophilic polyisocyanate
  • Crosslinkers
  • Polyisocyanate
  • Hardeners

Material

Coatings, paints & inks
Waterborne, Ultra-low monomer, Easy mixing, Weather resistant

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. Due to the raw materials, the product may show visible turbidity caused by the cold. This turbidity occurs at approx. + 5 °C and is reversible when heated to room temperature. The product properties are not affected.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

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

Specifications

Property Name Test Method Unit Value
Color value (Hazen) M017-EN 1557 ≤ 150
Monomeric HDI M106-ISO 10283 < 0.10
Non-volatile content (2.2 g / 120 min / 100°C) M020-ISO 3251 % 65 ± 2
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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