• Adhesives
  • Coatings, paints & inks

Bayhydur® 401-60 PGDA

Hydrophilically modified aliphatic polyisocyanate based on isophorone diisocyanate (IPDI).

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Product Types

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


Coatings, paints & inks
Easy mixing, Hard, Weather resistant, Waterborne
Heat activated, Moisture resistant, Waterborne

General Characterization

Hydrophilically modified aliphatic polyisocyanate based on isophorone diisocyanate (IPDI).
Bayhydur® 401-60 PGDA might be used as co-reactant for aqueous resins and as hardener for chemically resistant and weather-stable coating 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 urea. Containers must always be kept tightly closed. Contact with water in all forms (moist air, solvents, moist containers) must be avoided, because of generation of carbon dioxide and the dangerous increases of pressure. Storage at higher temperatures will result in increase of color and viscosity.


No data available

Packaging Type

No data available

Technical Properties & Datasheets


Property Name Test Method Unit Value
Flash point DIN EN ISO 2719 °C approx. 84
Equivalent weight approx. 494
Density at 20 °C DIN 51757 g/cm3 approx. 1.11


Property Name Test Method Unit Value
NCO content M105-ISO 11909 % approx. 8.5
Color value (Hazen) M017-EN 1557 ≤ 60
Monomeric IPDI M106-ISO 10283 % < 0.30
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s approx. 1,100


Technical Data Sheet
Safety Data Sheet
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