During the subjects with asthma, IgE antibodies specific to TDI, MDI, or hexamethylene diisocyanate (HDI) have been only present in one particular matter who was occupationally uncovered. No variances in the prevalence of respiratory indicators were found. Wilder et al. (2011) did not find a significant increase in the prevalence https://costabull.com/product/toluene-diisocyanate-tdi-80-20/