Regarding the impact of fiberglass on the human body, it can be clearly stated that its primary hazard is physical irritation, rather than chemical toxicity or carcinogenic risk.

Based on toxicological research and public health guidelines, this issue can be viewed objectively from the following dimensions:

The most direct effects of fiberglass on the human body stem from its physical structure.

• Skin Contact: Fiberglass is brittle and can easily break into micron-sized fragments that become embedded in the outer layer of the skin, causing intense itching, stinging, and rashes.

• Eye Injury: This is the most dangerous scenario. Once fragmented fibers enter the eye, they can scratch the cornea and conjunctiva. Because the fibers are transparent and smooth, they are extremely difficult to remove肉眼, which can lead to recurrent inflammation.

• Respiratory Tract Irritation: Inhaling dust containing fiberglass can irritate the nasal passages and throat, causing temporary coughing or discomfort. For individuals with asthma, high concentrations of exposure may worsen symptoms.

• Solubility in the Body: Studies show that even if a small number of fibers enter the lungs, they will gradually dissolve in the weakly alkaline environment of lung fluid and will not remain permanently.

• Elimination Mechanisms: Inhaled larger particles are expelled through sneezing or coughing; swallowed fibers are typically eliminated from the body through feces.

As an excellent insulation material, fiberglass is indispensable in modern industry. The correct approach is not to "avoid using it," but to "use it scientifically":

• Protection During Operation is Mandatory: When cutting, grinding, or installing fiberglass materials, be sure to wear long-sleeved clothing, gloves, goggles, and a dust mask (e.g., N95).

• Emergency Treatment: In case of accidental contact, do not scratch. Gently wash the affected area with warm water and soap, or use tape to repeatedly stick and pull out superficial fibers. If an eye injury occurs, immediately rinse with plenty of clean water and seek medical attention.

Conclusion: The hazards of fiberglass are limited to physical irritation and are reversible. As long as standard protective measures are taken during operation, the risk to human health is completely controllable.