Bayhydur® ultra 302
Bayhydur 302 is a water-dispersible polyisocyanate based on hexamethylene diisocyanate (HDI).
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About
Product Types
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Material
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General Characterization
Bayhydur ultra 302 is a solvent-free, water-dispersible polyisocyanate based on hexamethylene diisocyanate (HDI).
Storage Conditions
Bayhydur ultra 302 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. Processability of this product can be adversely affected by contamination.
Recommended storage temperature is at room temperature (approximately 77°F/25°C).
The product is sensitive to moisture. 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.
Recommended storage temperature is at room temperature (approximately 77°F/25°C).
The product is sensitive to moisture. 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
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Packaging Type
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Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Solids | % | min. 99.8 | |
| Specific gravity at 25℃ | 1.16 | ||
| Weight per gallon | Ib. | 9.63 | |
| Equivalent weight avg. | 243 | ||
| Appearance | Pale, yellow liquid | ||
| Flash point (Setaflash) | DIN EN 22719 | °C | 235 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Monomeric isocynate | M106-ISO 10283 | % | < 0.1 |
| Viscosity at 25°C | M014 - ISO 3219/A.3 | mPa*s | 2300 ± 700 |
| NCO content | M105 - ISO 11909 | % | 17.3 ± 0.5 |
| Hazen color value | M017-EN 1557 | max. 100 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
