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Additive VP.PU 49WB81

Additive VP.PU 49WB81 is used for adjusting the slow-recovery behavior of viscoelastic foam grades.

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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.
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Covestro represents that, for a period of 6 months following the day of
shipment as stated in the respective delivery documents, the product will meet
the values set forth in section "specification" above provided that the product is
stored in full compliance with the storage conditions and is otherwise handled
appropriately. The lapse of this period does not necessarily mean that the
product no
longer meets specifications. However, prior to using said product, Covestro
recommends to test such a product if it still meets the specifications. Covestro
does not make any representation regarding the product after the period and
Covestro shall not be responsible or liable in any way for the product failing to
meet specifications after the period.

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
Appearance PET-03-04 colourless to pale liquid
TDI basic value pbw Desmodur® T on 100 pbw Additive VP.PU 49WB81 63.6

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

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

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