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Desmophen® 4050E-LY

A amine-based tetrafunctional polyether polyol for the production of rigid polyurethane foams. Due to its high basic reactivity, it is particularly suitable for the formulation of polyol systems for use in continuous lamination (e.g. the continuous production of sandwich panels) and for spray applications. Hydroxyl Number approx. 630 mg KOH/g

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Material

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General Characterization

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Storage Conditions

Recommended storage temperature: 10°C – 35°C
Shelf life (ex works): 12 months if stored in sealed, moisture-tight containers

Sampling

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Packaging Type

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Density at 25 °C ASTM D4669 g/cm³ approx. 1.02

Specifications

Property Name Test Method Unit Value
Hydroxyl number ASTM D 4274 mg KOH/g 630 ± 30
Water content ASTM D 4672 % by wt. ≤ 0.1
Hydroxyl number ASTM D 4274 mg KOH/g 630 ± 30
Viscosity at 25 °C ASTM D 4878 mPa*s 18500 ± 2000
Viscosity at 25 °C ASTM D 4878 mPa*s 18500 ± 2000
Colour ASTM D 4890 Gardner ≤ 6
Water content ASTM D 4672 % by wt. ≤ 0.1
Colour ASTM D 4890 Gardner ≤ 6

Downloads

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

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