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Desmophen® 1905 N - for flexible slabstock foams

DESMOPHEN 1905 N is an inactive trifunctional polyether modified with a styrene-acrylonitrile (SAN) polymer with a solid content of approx. 10% by weight. It is specifically designed for the production of conventional flexible slabstock foams with enhaced loadbearing properties. It exhibits a broad processing range and allows the use of most commercially available silicone surfactants and tertiary amine catalysts.

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Product Types

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Material

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General Characterization

DESMOPHEN 1905 N is an inactive trifunctional polyether modified with a styrene-acrylonitrile (SAN) polymer with a solid content of approx. 10% by weight. It is specifically designed for the production of conventional flexible slabstock foams with enhaced loadbearing properties. It exhibits a broad processing range and allows the use of most commercially available silicone surfactants and tertiary amine catalysts.

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 hygroskopic neture of the product.
Recommended temperature for processing is (°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
Appearance PET-03-04 opaque white liquid
Density 20 °C DIN 51757 g/ cm³ 1.027
TDI basic value pbw Desmodur® T on 100pbw DESMOPHEN® 1905 N 6.7

Specifications

Property Name Test Method Unit Value
Viscosity 25 °C PET-10-01 mPa*s 630 - 8700
Hydroxyl number PET-11-01 mg KOH/g 41.5 - 45.5
Hydroxyl number PET-11-01 mg KOH/g 41.5 - 45.5
Water content PET-19-01 % by wt. ≤ 0.10
Viscosity 25 °C PET-10-01 mPa*s 630 - 8700
Water content PET-19-01 % by wt. ≤ 0.10

Downloads

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

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