TDI 80-Type 1 Mixture of 2,4-toluene diisocyanate and 2,6-toluene diisocyanate Lyondell PU - Isocyanates >> TDI, toluene diisocyanate ADHESIVE SEALANT TDI 80-Type 1 is a mixture of 80% 2,4-toluene diisocyanate and 20% 2,6-toluene diisocyanate. TDI is a toxic and reactive chemical which requires correct handling to ensure that it is used safely. This means avoiding inhalation, skin contact, or ingestion. In particular, inhalation of vapors, aerosols, and dust should be avoided, since this can lead to irritation and in extreme cases to a reduction of lung function and/or sensitization. Major applications for TDI 80-Type 1 include polyurethane adhesives. Produced in Lake Charles, LA, TDI 80 – Type 1, is an 80:20 mixture of the 2,4- and 2,6- isomers of TDI. Major applications for TDI 80 – Type 1 include polyurethane flexible foam slab/molding) and non-foam urethanes, such as elastomers, coatings, adhesives, sealants and binders. Mixture of 2,4-toluene diisocyanate and 2,6-toluene diisocyanate. Used for polyurethane flexible foam (slab/molding) and non-foam urethanes such as adhesives and sealants.