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Desmophen® V 657

A trifunctional reactive polyether polyol for the production of polyurethane products. Hydroxyl Number approx. 255 mg KOH/g

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About

Product Types

  • Polyol

Material

No data available

General Characterization

Desmophen V 657 is a trifunctional reactive polyether polyol for the production of polyurethane products.

Storage Conditions

Recommended storage temperature (°C): 20 – 40
Shelf life (ex works), when stored in sealed, moisture-tight containers: 12 months

Sampling

Moisture access should be prevented when taking product samples.

Packaging Type

Drums, IBCs or tank wagons

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Density at 20 °C DIN 51757 g/cm³ approx. 1.12
Colour colourless to yellowish

Specifications

Property Name Test Method Unit Value
Acidity PET-01-01 mg KOH/g max. 0.350
Acidity PET-01-01 mg KOH/g max. 0.350
Viscosity at 25 °C PET-10-01 mPa*s 265 ± 20
Viscosity at 25 °C PET-10-01 mPa*s 265 ± 20
Water content PET-19-01 % by wt. max. 0.150
Water content PET-19-01 % by wt. max. 0.150
Hydroxyl number PET-11-01 mg KOH/g 255 ± 15
Hydroxyl number PET-11-01 mg KOH/g 255 ± 15

Downloads

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

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