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Hexamethylene Diisocyanate (HDI) Allergy Test

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About Our Hexamethylene Diisocyanate (HDI) Allergy Test

Hexamethylene diisocyanate (HDI), also known as 6-hexamethylene diisocyanate, is an inorganic chemical that is mainly used as a polymerizing agent in polyurethane paints, lacquers, and coatings. The chemical is clearish-yellow and gives off a sharp odor. While the inhalation of hexamethylene diisocyanate vapors is typically irritating for most, only some experience allergic reactions to the chemical. This test determines if you are allergic hexamethylene diisocyanate or not.  

Who is Exposed to Hexamethylene Diisocyanate?

Anyone who uses polyurethane paints may be exposed to hexamethylene diisocyanate through inhalation of air containing the chemical. Professionals typically use respirators when applying such paint, however, the general public may not take the same precautions. Occupational exposure to HDI can also include direct physical contact.

What are the Symptoms of Hexamethylene Diisocyanate Allergies?

Hexamethylene diisocyanate is known to cause an allergic reaction that is very asthma-like. This consists of coughing, wheezing, and shortness of breath. Additionally, contact with the chemical may cause irritation, redness, and damage to the skin.


HealthLabs.com offers an easier, virtually pain-free blood test to determine the allergen status of substances without the irritation of traditional skin prick tests.

  • No painful skin pricks
  • No fasting necessary
  • Tests are administered at any of our 4,500+ nationwide locations
  • Typical time to administer the test is 10-15 minutes
  • Accurate results within 1 to 3 days

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