These particles irritate the mucous membranes of the nose, throat, and lungs, triggering a cough or a tickling sensation that feels like a constant need to clear the throat. Fiberglass is composed of extremely fine glass fibers, often measuring only 3 to 20 micrometers in diameter.
Why Fiberglass Sticks to Clothing and Causes Intense Itch
Histamine increases blood flow to the area and stimulates nerve endings, resulting in the familiar pruritus, or itch. Unlike softer mineral wool, fiberglass consists of slender glass threads that, when disturbed, release tiny airborne splinters capable of penetrating the outer layer of skin.
HVAC Maintenance: Technicians repairing air ducts or furnace systems are exposed to accumulated dust and debris containing loose fibers, leading to respiratory and skin irritation. Walking across a freshly installed fiberglass insulation batt feels like running a hand over a carpet made of miniature fishhooks.
Why Fiberglass Sticks to and Irritates Clothing Fabric
For context, a human hair is approximately 75 micrometers, meaning these filaments are significantly thinner and sharper. The Anatomy of the Itch: Physical Structure of Fiberglass To grasp the cause of the irritation, one must first examine the material itself.
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