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Desmophen® 84WB83 - for flexible slabstock foams

A polyol formulation (copolyol) for the production of flame bondable polyether PU slabstock foams. 15 pbw Desmophen® 84WB83 are generally added per 100 pbw polyol. Hydroxyl Number approx. 118 mg KOH/g

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About

Product Types

  • Additive

Material

No data available

General Characterization

Desmophen® 84WB83 is a polyol formulation (copolyol) for the production of flame bondable polyether PU slabstock foams. 15 pbw Desmophen® 84WB83 are generally added per 100 pbw polyol. Arcol® Polyol 1108 or a combination of Arcol® Polyol 1108 and Arcol® Polyol 1159 is recommended as the basic polyether polyol component.
Desmophen® 84WB83 can also be used as a modifying component in polyester polyurethane formulations (e.g. to improve elongation at break). 10 pbw Desmophen® 84WB83 are generally added per 100 pbw polyester polyol in polyester polyurethane formulations.

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 hygroscopic nature of the product.
Recommended temperature for processing (°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 colourless to pale liquid
Density 20 °C DIN 51757 g/cm³ approx. 1.12
TDI basic value pbw Desmodur® T on 1 pbw Desmophen® VP.PU 84WB83 0.18

Specifications

Property Name Test Method Unit Value
Water content PET-19-01 % by wt. ≤ 0.12
Viscosity 25 °C PET-10-01 mPa*s 590 - 790
Hydroxyl number PET-11-01 mg KOH/g 110 - 126
Hydroxyl number PET-11-01 mg KOH/g 110 - 126
Water content PET-19-01 % by wt. ≤ 0.12
Viscosity 25 °C PET-10-01 mPa*s 590 - 790

Downloads

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

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