Toluene diisocyanates are moderately predicted to become human carcinogens depending on ample evidence of carcinogenicity from experiments in experimental animals. The unexplained excesses in lung cancer and NMRD mortality while in the Pinkerton cohort [twelve] are regarding, and any publicity dependence appears to be afflicted by healthy worker survivor bias. https://costabull.com/product/toluene-diisocyanate-tdi-80-20/