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Desmophen® 2200 B - for flexible slabstock foams

A partly branched polyester based on adipic acid, diethylene glycol and trimethylol propane. At room temperature the product is a highly viscous, slightly yellowish liquid. It is used to manufacture flexible polyurethane slabstock foams. Hydroxyl Number ca. 60 mg KOH/g

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About

Product Types

  • Polyester polyol

Material

Foams
Slabstock

General Characterization

Desmophen® 2200 B is a partly branched polyester based on adipic acid, diethylene glycol and trimethylol propane. At room temperature the product is a highly viscous, slightly yellowish liquid. It is used to manufacture flexible polyurethane slabstock foams.

Storage Conditions

Recommended storage temperature (°C): 20 - 40
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 - 26.

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 1.18
TDI basic value pbw Desmodur® T on 100 pbw Desmophen® 2200 B 9.3
Thermal conductivity at 20 °C DIN 52612-1 W ^. m^-1 ^. K^-1 0.19
Flash point DIN 51758 °C > 200
Pour point DIN ISO 3016 °C - 13
Appearance PET-03-04 colourless to pale liquid
Specific heat capacity (Cp) at 25 °C DIN 51007 kJ/kg ^. K 1.85

Specifications

Property Name Test Method Unit Value
Viscosity 75 °C M058 - ISO 3219 mPa*s 900 - 1100
Viscosity 25 °C M058 - ISO 3219 mPa*s 15,000 - 20,000
Hydroxyl number M036 - ISO 6796 mg KOH/g 57 - 63
Hydroxyl number M036 - ISO 6796 mg KOH/g 57 - 63
Water content M018 - DIN 51777-1 % by wt. ≤ 0.05
Viscosity 75 °C M058 - ISO 3219 mPa*s 900 - 1100
Acidity M019 - ISO 2114 mg KOH/g ≤ 2.0
Colour value (Hazen) M017 - EN 1557 ≤ 150
Hydroxyl content M036 - ISO 6796 % by wt. 1.73 - 1.91
Colour value (Hazen) M017 - EN 1557 ≤ 150
Acidity M019 - ISO 2114 mg KOH/g ≤ 2.0
Water content M018 - DIN 51777-1 % by wt. ≤ 0.05
Hydroxyl content M036 - ISO 6796 % by wt. 1.73 - 1.91
Viscosity 25 °C M058 - ISO 3219 mPa*s 15,000 - 20,000

Downloads

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

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