Desmodur E 210 is a solvent-free aromatic polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI). Properties / Applications: Typical applications for Desmodur E 210 include two-component polyurea caulks and sealants. Polyurea sealants prepared from Desmodur E 210 have longer gel times and improved physical properties. As with any product, use of Desmodur E 210 prepolymer in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability. Information provided by Covestro |