Within the topics with bronchial asthma, IgE antibodies specific to TDI, MDI, or hexamethylene diisocyanate (HDI) were only found in a person matter who was occupationally exposed. No distinctions from the prevalence of respiratory signs and symptoms were being found. Wilder et al. (2011) did not discover a significant increase https://costabull.com/product/toluene-diisocyanate-tdi-80-20/