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Fiberglass dermatitis from printed circuit boards.
1Department of Community, Occupational and Family Medicine, National University of Singapore.
American Journal of Industrial Medicine
|January 1, 1992
Summary
Production operators in the electronics industry can develop fiberglass dermatitis from handling printed circuit boards (PRCBs). Microscopic analysis confirmed fiberglass spicules on skin and PRCBs, indicating an irritant contact dermatitis.
Area of Science:
- Occupational Dermatology
- Materials Science
- Toxicology
Background:
- Fiberglass is utilized as a reinforcement material in certain printed circuit boards (PRCBs).
- Production operators in the electronics industry frequently handle PRCBs during their work processes.
Observation:
- Seven cases of fiberglass dermatitis were observed in electronics production operators.
- The primary symptom reported was pruritus (itching) on the lateral aspects of fingers and finger webs.
- Clinical examination revealed vesicles, postinflammatory hyperpigmentation, and excoriation marks, with skin stripping confirming fiberglass spicules.
Findings:
- Microscopic examination of skin scrapings and PRCBs revealed fiberglass spicules (11-16 microns in diameter) consistent with irritant contact dermatitis.
- Patch testing excluded allergic contact sensitization to common allergens.
- The findings suggest that detached fiberglass spicules from PRCB edges are the causative agent.
Implications:
- This study highlights fiberglass-induced irritant contact dermatitis as an occupational hazard in the electronics industry.
- Recommendations for prevention include using PRCBs with reduced free fiberglass, implementing dust control measures, and promoting personal hygiene.
- Further research into material modifications and protective strategies is warranted to mitigate this occupational health issue.