From the subjects with asthma, IgE antibodies precise to TDI, MDI, or hexamethylene diisocyanate (HDI) were being only present in a single issue who was occupationally exposed. No dissimilarities inside the prevalence of respiratory indicators have been observed. Wilder et al. (2011) didn't find a major rise in the prevalence https://costabull.com/product/toluene-diisocyanate-tdi-80-20/