HDI Allergy Test | Chemical in Rosemead, CA
Order Hexamethylene Diisocyanate (HDI) Allergy Test | Chemical in Rosemead, CA
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Order Hexamethylene Diisocyanate (HDI) Allergy Test | ChemicalIsocyanates are reactive chemicals used in polyurethane coatings, adhesives, and foams. Hexamethylene diisocyanate, or HDI, is one member of this family, and exposure can trigger sensitization in some people. This test measures IgE antibodies specific to HDI in a blood sample.
About Hexamethylene Diisocyanate (HDI) Allergy Test | Chemical in Rosemead
HDI belongs to a group of chemicals known as aliphatic isocyanates, which are widely used in industrial coatings and sealants.
Isocyanate exposure occurs mainly through inhalation of vapors or aerosols, and skin contact can also contribute. HDI is often encountered as part of two-component polyurethane systems used in automotive refinishing, industrial painting, and the manufacture of durable foams and elastomers.
Sensitization to isocyanates is an immune-mediated process. When a person becomes sensitized, the immune system produces IgE antibodies directed against the chemical. Subsequent exposure can then provoke symptoms such as rhinitis, asthma-like breathing difficulty, or skin reactions.
Because HDI is a small molecule, it is thought to act as a hapten, meaning it must bind to larger proteins in the body before the immune system can recognize it. The HDI-specific IgE blood test detects antibodies formed against this chemical, which can help evaluate whether an allergic response to HDI is present.
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Frequently Asked Questions
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