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Desmophen® 1166 S N - for flexible slabstock foams

Desmophen® 1166 S N is an inactive trifunctional polyether modified a styrene-acrylonitrile (SAN) polymer. It is specifically designed for the production of conventional flexible slabstock foams with enhanced loadbearing properties, using CO2-technologies due to its appropiate particle size distribution. It exhibits a broad processing range and allows the use of most commercially available silicone surfactants and tertiary amine catalysts.

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General Characterization

Desmophen® 1166 S N is an inactive trifunctional polyether modified a styrene-acrylonitrile (SAN) polymer. It is specifically designed for the production of conventional flexible slabstock foams with enhanced loadbearing properties, using CO2-technologies due to its appropiate particle size distribution. 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
The product must be stored in sealed, moisture-tight containers. Partially used
containers should be tightly resealed, due to the hygroscopic nature of the
product.
Covestro represents that, for a period of 12 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
Appearance PET-03-04 opaque white liquid
Density 20 °C DIN 51757 g/cm³ 1.035
TDI basic value pbw Desmodur® T on 100 pbw Demophen® 1166 S N 5.7

Specifications

Property Name Test Method Unit Value
Hydroxyl number PET-11-01 mg KOH/g 34 - 39
Viscosity 25 °C PET-10-01 mPa*s 1000 - 1700
Water content PET-19-01 % by wt. ≤ 0.10
Viscosity 25 °C PET-10-01 mPa*s 1000 - 1700
Hydroxyl number PET-11-01 mg KOH/g 34 - 39
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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