Bayhydur® ultra 401-70 MPA
Hydrophilically modified aliphatic polyisocyanate based on isophorone diisocyanate (IPDI).
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About
Product Types
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Material
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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.
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.
- 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 53 217/3 | g/cm3 | approx. 1.09 |
| Flash point | DIN 55 213/1 | °C | approx. 49 |
| Equivalent weight | approx. 440 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Monomeric IPDI | M106-ISO 10283 | < 0.1 | |
| Color value (Hazen) | M017-EN 1557 | ≤ 60 | |
| Non-volatile content (0.2 g / 60 min / 120 °C) | M020-ISO 3251 | % | 70 ± 2 |
| Viscosity at 23 °C | M014-ISO 3219/A.3 | mPa*s | approx. 1,500 |
| NCO content | M105-ISO 11909 | % | 9.4 ± 0.5 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
