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Baydur® 486

modified pMDI; NCO: approx. 27.2 Wt.%; Viscosity: approx. 300 mPa·s @ 25°C

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Material

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General Characterization

Baydur 486 is a modified polymeric diphenylmethane polyisocyanate.

Storage Conditions

Baydur 486 polyisocyanate must be stored in tightly closed containers and protected from contamination with moisture and foreign materials, which can adversely affect processing. It will react with water to form ureas and carbon dioxide gas, which may cause sealed containers to expand and rupture. Recommended storage temperatures are 18° to 30°C (64° to 86°F).
The shelf life is six months after receipt of material by customer, when stored in sealed original containers under conditions stated above.

Sampling

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Packaging Type

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Specific gravity at 25°C 1.24
Flash point (PMCC) °C 213
Density at 25°C lb/gal 10.3
Appearance Dark brown liquid

Specifications

Property Name Test Method Unit Value
NCO content wt.-% 26.9 - 27.7
Viscosity at 25°C mPa•s 240 - 395
Acidity wt.-% max. 0.03

Downloads

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

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