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Fire tests of rigid plastic ventilation ducts

Public Domain
File Language:
English


Details

  • Personal Author:
  • Corporate Authors:
    United States. Bureau of Mines
  • Description:
    "The Bureau of Mines conducted a flammability study of plastic ventilation ducts. Six rigid 16-in-diam fiberglass-reinforced plastic ducts from five manufacturers were examined using laboratory- scale, large-scale, and full-scale fire tests. The laboratory-scale tests included the American Society for Testing and Materials e162 radiant panel test, the e2863 oxygen index test, and the standardized small-scale flammability test (s3ft) developed by the Mine Safety and Health Administration, U.S. Department of Labor, and replicated by the Bureau of Mines. Ten-foot lengths of the same ducts were also subjected to a large-scale vertical fire test, and 20- to 30-ft lengths were tested in a full-scale in-mine fire test at the Bureau's Lake Lynn Laboratory Mine. The data from the laboratory-scale radiant panel test and oxygen index test indicated that the ducts were fire-resistant. However, five of the six ducts failed the s3ft and vertical fire tests, and four of the ducts failed the full-scale in-mine tests with flame propagation rates that ranged from 3 to 10 ft/min. The results indicate the need for improved fire-resistant plastic ducts. The good agreement between the s3ft results and the vertical and full-scale tests show that the s3ft provides a good indication of the flammability of fiberglass- reinforced plastic ducting under realistic fire conditions." - NIOSHTIC-2

    NIOSHTIC no. 10005584

  • Subjects:
  • Series:
    Mining Publications
  • Subseries:
    Report of Investigations
  • Document Type:
    Text
  • Genre:
    Report
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Pages in Document:
    16 numbered pages
  • NIOSHTIC Number:
    nn:10005584
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:b6696e46fdc5874e40a5f54105fb47aad8f1dd716fc4fed8cd4c277cd0305dc0c3bb20482f087106a27a7d814dc10cfaea9f241b6a004db4cd998ff3e0c55122
  • Download URL:
  • File Type:
    Filetype[PDF - 6.97 MB ]
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