Additive VP.PU 49WB81
Additive VP.PU 49WB81 is used for adjusting the slow-recovery behavior of viscoelastic foam grades.
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About
Product Types
- Additives
Material
No data available
General Characterization
Additive VP.PU 49WB81 is used for adjusting the slow-recovery behavior of viscoelastic foam grades. When compared to Additive VP.PU 49WB80, Additive VP.PU 49WB81 allows for the production of foams with higher air permeability.
Storage Conditions
Recommended storage temperature (°C): 10 - 35.
Shelf life (ex works)
6 months if stored in sealed, moisture-tight containers.
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
Shelf life (ex works)
6 months if stored in sealed, moisture-tight containers.
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
Sampling
Moisture access must be prevented when taking product samples.
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| TDI basic value | pbw Desmodur® T on 100 pbw Additive VP.PU 49WB81 | 63.6 | |
| Density 25 °C | DIN 51757 | g/cm³ | 1.02 |
| Appearance | PET-03-04 | colourless to pale liquid |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Water content | PET-19-01 | % by wt. | ≤ 0.15 |
| Water content | PET-19-01 | % by wt. | ≤ 0.15 |
| Hydroxyl number | PET-11-01 | mg KOH/g | 390 - 430 |
| Viscosity 25 °C | PET-10-01 | mPa*s | 45 - 75 |
| Hydroxyl number | PET-11-01 | mg KOH/g | 390 - 430 |
| Viscosity 25 °C | PET-10-01 | mPa*s | 45 - 75 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
