| http://www.w3.org/ns/prov#value | - They include tolylene diisocyanate (TDI), crude TDI, 4, 4'-diphenylmethane diisocyanate (MDI), crude MDI, aliphatic polyisocyanates having 2to 18 carbon atoms, aliphatic polyisocyanates having 4 to 15 carbon atoms, aromatic polyisocyanates having 8 to 15 carbon atoms, mixtures and modified compounds of such polyisocyanates such as prepolymers that are obtained by partially reactingpolyisocyanates
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