• Foams

Arcol® 31-28

polyether polyol; triol-based polymer polyol;functionality 3; hydroxyl number 28 mg KOH/g; viscosity 3,000 cps @ 25°C

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Product Types

  • Polyol
  • Polyether polyol



General Characterization

Arcol 31-28 polyether polyol is a unique triol-based polymer polyol.

Storage Conditions

Arcol 31-28 polyol is slightly hygroscopic and may absorb water. Containers should be kept tightly closed and protected from contamination with moisture and foreign materials, which can adversely affect product quality.
This polyol can become quite viscous at low temperatures. For ease of handling, storage temperatures between 20°C (68°F) and 60°C (140°F) are recommended.
The shelf life is twelve months after receipt of material by customer, when stored in sealed original containers under conditions stated above.


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
Specific gravity at 20°C 1.05
Viscosity at 25°C cps 3,000
Bulk density lb/gal 8.75
Flash point PMCC °C 164
Appearance Yellow opaque, viscous liquid


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