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  • Adhesives
  • Coatings

Bayhydur® XP 2655

Hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).Hardener for waterborne two-component polyurethane systems.

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About

Product Types

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

Material

Coatings
Easy mixing, Fast curing, Low viscous, Weather resistant, Waterborne
Adhesives
Fast bonding, Heat activated, Moisture resistant, Waterborne

General Characterization

Hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
Hardener for waterborne 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

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Hazen color value M017-EN 1557 < 60
NCO content M105-ISO 11909 % 20.3 - 21.3
Monomeric HDI M106-ISO 10283 % ≤ 0.24
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 3,500 ± 1,000

Property Name Test Method Unit Value
Density DIN EN 2811 g/cm3 approx. 1.16
Flash point DIN EN ISO 2719 °C approx. 192

Downloads

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