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Related Experiment Videos

Permeation through five commercially available glove materials by two pentachlorophenol formulations.

J B Silkowski, S W Horstman, M S Morgan

    American Industrial Hygiene Association Journal
    |August 1, 1984
    PubMed
    Summary

    Glove material significantly impacts protection against pentachlorophenol (PCP) permeation. Some gloves offer excellent resistance, while others fail quickly, highlighting the need for careful selection based on PCP formulation.

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    Area of Science:

    • Occupational Health and Safety
    • Materials Science
    • Environmental Health

    Background:

    • Pentachlorophenol (PCP) is a widely used biocide with potential health risks.
    • Assessing the protective capabilities of personal protective equipment (PPE) like gloves is crucial for worker safety.
    • Standardized testing methods are essential for reliable comparison of glove performance.

    Purpose of the Study:

    • To evaluate the permeation resistance of five different glove materials against two common pentachlorophenol formulations.
    • To determine breakthrough times and permeation rates for various glove types under specific exposure conditions.
    • To provide data for informed selection of appropriate gloves for handling PCP.

    Main Methods:

    • Permeation testing of five glove materials (PVC, natural rubber, latex/neoprene, nitrile rubber) against PCP formulations.

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  • Utilized a standardized permeation cell method consistent with prior NIOSH studies.
  • Quantified PCP permeation with a lower limit of 70 parts per billion (ppb).

    • Main Results:

    • PVC and natural rubber gloves showed rapid breakthrough (30 seconds) against PCP in diesel oil.
    • Latex/neoprene gloves had a longer breakthrough time but a higher permeation rate.
    • Nitrile rubber and one PVC glove demonstrated excellent resistance, with no breakthrough after 8-16 hours against PCP in diesel oil.
    • Against sodium pentachlorophenate, only natural rubber gloves showed rapid breakthrough; other materials resisted permeation for extended periods (5-15.5 hours).

    Conclusions:

    • Glove material composition critically influences resistance to PCP permeation.
    • The formulation of the PCP solution (e.g., in diesel oil vs. sodium salt) significantly affects glove performance.
    • Selection of appropriate glove material is paramount for effective protection against specific PCP exposure scenarios.