Also Called: PPI; Polymethylene Polyphenylisocyanate; Mixture of Prepolymer of Polymethylene Polyphenylisocyanate (PPI) and 4,4'-Methylenediphenyl Diisocyanate (MDI); Isocyanic acid, polymethylenepolyphenylene ester; Isocyanuric acid polymethylene polyphenyl isocyanate; “polymeric MDI”;Poly(Methylenebis(phe nyl isocyanate) (Polymeric MDI);POLYMERIC MDI (PMDI);Polymethylene polyphenylisocyanate, >10% in a non hazardous diluent;Polymethylene polyphenyl isocyanate;Methylene Diphenyl Diisocyanate and Polymeric MDI;Polymethylenepolyphenylene isocyanate;Isocyanic acid polymethylenepolyphenylene ester;Polymethylene polyphenylene isocyanate;polymeric methylene diphenyl diisocyanate;'Polymeric MDI' (inhalable fraction) see also 4,4'-Methylene diphenyl isocyanate (MDI);DIPHENYLMETHANEDIISOCYANATE,isomers and homologues;Polymethylene polyphenylisocyanate, >10% in a non hazardous diluent;POLYMERIC DIPHENYLMETHANE DIISOCYANATE;Techn. (''Polymeres'') MDI (pMDI) (in Form atembarer Aerosole, A-Fraktion);ไอโซเมอร์และโฮโมโลกัสของไคฟึนิลมีเธนไคไอโซไซยาเนท;异氰酸聚亚甲基聚亚苯基酯;POLYMETHYLEN-POLYPHENYLISOCYANATE;ポリメチレンポリフェニレン=イソシアナート;Ester polyméthylènepolyphénylénique de l'acide isocyanique;ISOCYANIC ACID, POLYMETHYLENEPOLYPHENYLENE ESTER (POLYMERIC MDI);Methylene diphenyl isocyanate and polymeric methylene diphenyl diisocyanate