Baytuft® 751A

modified polymeric diphenylmethane diisocyanate; NCO, Wt. % 27.1 - 28.1

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Product Types

  • System


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General Characterization

Baytuft 751A is a modified polymeric diphenylmethane diisocyanate.

Storage Conditions

Baytuft 751A isocyanate 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°C to 30°C (64°F to 86°F).


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
NCO content wt.-% 27.1 - 28.1
Acidity wt.-% max. 0.04
Viscosity at 25°C mPa•s 90 - 190


Property Name Test Method Unit Value
Specific gravity at 25°C 1.23
Appearance Dark brown liquid
Flash point (PMCC) °C 188
Density at 25°C lb/gal 10.3


Technical Data Sheet
Safety Data Sheet
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