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  • Adhesives
  • Coatings

Bayhydur® 401-70 MPA/X

Hydrophilically modified aliphatic IPDI-polyisocyanate. As a co-reactant for aqueous resins and as a hardener for chemically resistant and weather-stable coating systems.

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About

Product Types

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

Material

Coatings
Easy mixing, Hard, Weather resistant, Waterborne
Adhesives
Foam bonding, Heat activated, Moisture resistant, Waterborne

General Characterization

Hydrophilically modified aliphatic polyisocyanate based on isophorone diisocyanate (IPDI).
As the co-reactant for aqueous resins and as the 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 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
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 600 ± 200
Non-volatile content (0.2 g / 60 min / 120 °C) M020-ISO 3251 % 70 ± 2
NCO content M105-ISO 11909 % 9.4 ± 0.5
Color value (Hazen) M017-EN 1557 ≤ 60
Monomeric IPDI M106-ISO 10283 < 0.35
Monomeric IPDI M106-ISO 10283 < 0.35

Property Name Test Method Unit Value
Flash point DIN 55 213/1 °C approx. 40
Density at 20 °C DIN 53 217/3 g/cm3 approx. 1.07
Equivalent weight approx. 440

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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