Product Overview
Polymethylene Polyphenyl Polyisocyanate, also known as polymeric MDI (PMDI or PAPI), is an aromatic polyisocyanate. It is generally a brown to dark-brown liquid with a characteristic odor. Its polymeric structure and reactive isocyanate groups make it an important raw material for polyurethane production. Typical specifications vary by grade and supplier.

Polymethylene polyphenyl polyisocyanate Chemical Properties
Safety Information
Hazard Codes | Xn,T+,T,F |
Risk Statements | 20-36/37/38-42-42/43-26-22-39/23/24/25-23/24/25-11-20/21/22 |
Safety Statements | 26-28-38-45-36/37-23-16-7-36 |
WGK Germany | 3 |
RTECS | TR0350000 |
Hazardous Substances Data | 9016-87-9(Hazardous Substances Data) |