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Desmophen® 7619 W - for flexible slabstock foams

A reactive polyether-based polyurea dispersion. It is used for the production of high resilience PUR slabstock foams and for the production of high loadbearing foams. Hydroxyl Number approx. 28 mg KOH/g

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About

Product Types

  • Polyol

Material

Foams
Flexible, Slabstock

General Characterization

Desmophen® 7619 W is reactive polyether-based polyurea dispersion with a solid content of approx. 20% by weight. It is used for the production of high resilience PUR slabstock foams and for the production of high loadbearing foams.

Storage Conditions

Recommended storage temperature (°C): 10 - 35
Shelf life (ex works)
12 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
Thermal conductivity at 20 °C DIN 52612-1 W ^. m^-1 ^. K^-1 0.160
pH value PET-13-02 7.5 - 8.5
Specific heat capacity (Cp) at 25 °C DIN 51007 kJ/kg ^. K 1.779
Appearance PET-03-04 opaque, white liquid
TDI basic value pbw Desmodur® T calculated on 100 pbw Desmophen® 7619 W in an anhydrous state. 4.42
The water content must be taken into account when preparing the formulation.
Density 25 °C DIN 51757 g/cm³ 1.08

Specifications

Property Name Test Method Unit Value
Viscosity 25 °C PET-10-01 mPa*s 3200 - 4000
Viscosity 25 °C PET-10-01 mPa*s 3200 - 4000
Water content PET-19-01 % by wt. 0.45 - 0.55
Hydroxyl number PET-11-01 mg KOH/g 26.5 - 30.5
Hydroxyl number PET-11-01 mg KOH/g 26.5 - 30.5
Water content PET-19-01 % by wt. 0.45 - 0.55

Downloads

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

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