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

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Material

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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.

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
Density 25 °C DIN 51757 g/cm³ 1.02
TDI basic value pbw Desmodur® T on 100 pbw Additive VP.PU 49WB81 63.6
Appearance PET-03-04 colourless to pale liquid

Specifications

Property Name Test Method Unit Value
Water content PET-19-01 % by wt. ≤ 0.15
Viscosity 25 °C PET-10-01 mPa*s 45 - 75
Water content PET-19-01 % by wt. ≤ 0.15
Viscosity 25 °C PET-10-01 mPa*s 45 - 75
Hydroxyl number PET-11-01 mg KOH/g 390 - 430
Hydroxyl number PET-11-01 mg KOH/g 390 - 430

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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