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Metal-on (Johns-Manville)

Metal-On was a Johns-Manville pipe insulation that came from the factory already jacketed in metal.1,2 J-M's 1970 sworn answers in a lawsuit describe it as Thermobestos pipe insulation "with a factory-applied jacket of aluminum," and a 1970 item in Asbestos, the industry's trade journal, as a factory-assembled system of an aluminum jacket, a vapor barrier and Thermobestos insulation, snapped over bare pipes and held with straps and stainless steel bands.1,3 J-M's employee magazine said in 1961 that its Research Center had "married" Thermobestos, its calcium silicate pipe insulation, with J-M's metal-forming experience to make a weatherproof insulation for high or low temperature pipes.4 A 1960 photo in the same magazine shows a version with a stainless steel jacket.5

An insurance company's 1981 list of asbestos products, compiled from other companies' answers in lawsuits, gives Metal-On, listed as pipe, as made from 1959 to 1973.6 J-M's employee magazine mentions Metal-On production at the Manville, New Jersey plant in December 1959, and in 1961 shows a worker in the Manville Industrial Insulations Plant forming the aluminum jacket to fit over the Thermobestos.4,7 In 1967 Asbestos magazine reported Metal-On produced by Canadian Johns-Manville, for temperatures up to 1,200°F.8

J-M said in 1961 that Metal-On was used on the wash decks of tankers, on smoke stacks and outdoor steam lines, and in chemical and power plants.4 It was used throughout the piping of Hydro-Quebec's new thermal generating station at Tracy, Canada, in 1966, except on the boiler piping, and at an Atomic Energy of Canada laboratory in Ontario in 1967.8,9 A 1971 J-M ad said "asbestos fibers added increased strength and fire-safety" to the Metal-On on the external deck piping of the ship Manhattan.2

See also Thermobestos.

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Pictures

How Metal-on (Johns-Manville) looked: a label, photograph or catalog page from our library. Each picture has its own page and library number, so it can be cited on its own.

Asbestos claims

If you or a family member worked with or around Metal-on (Johns-Manville) and later developed mesothelioma or another asbestos disease, a claim may be paid by the Manville Personal Injury Settlement Trust. Free case review.

What each document says

Every statement about Metal-on (Johns-Manville) in the documents, in each document's own words.

The Borel v. Fibreboard Case File (1969-1972), Answers to interrogatories with exhibits

  • Description: “(H. T. Pipe Insulation System) THERMOBESTOS Pipe Insulation with a factory-applied jacket of aluminum.”, p. 261

Asbestos Magazine, 1971, January 1971

  • Asbestos content: “Asbestos fibers added increased strength and fire-safety to J-M Metal-On”, p. 52
  • Description: “aluminum jacketed calcium silicate pipe insulation”, p. 52

Asbestos Magazine, 1970, January 1970

  • Description: “a factory assembled system consisting of an external aluminum jacket, a vapor barrier material and Thermobestos insulation” (sales to SS Manhattan (installed by Philadelphia Asbestos Corporation)), p. 203

J-M News Pictorial, 1961, February 1961

  • Made at: “the Manville Industrial Insulations Plant” (the plant: Manville, New Jersey), p. 84
  • Use: “wash decks of tankers, smoke stacks, outdoor steam lines, chemical or power plants”, p. 94
  • Description: “a weather proof insulation for covering high or low temperature pipes”, p. 94
  • Ingredient: “calcium silicate pipe insulation—Thermobestos”, p. 94

J-M News Pictorial, 1960, September 1960

  • Description: “Gleaming stainless steel jacket covers the Manville Plant's new Thermobestos Metal-On pipe insulation” (sales to Union Carbide, Charleston (first carload)), p. 125

The Travelers Insurance Company's Product Information Booklet for Its Asbestos Seminar (1980–1981)

  • Made from: “59”, p. 66
  • Form: “PIPE”, p. 66
  • Made until: “73”, p. 66

J-M News Pictorial, 1959, December 1959

  • Made at: “Manville plant ... Thermobestos and Metal-On production operations” (the plant: Manville, New Jersey), p. 47

Asbestos Magazine, 1967, May 1967

  • Made at: “Metal-On, produced by Canadian Johns-Manville Co. Ltd.”, p. 188
  • Temperature limit: “efficient insulation at temperatures up to 1,200°F.”, p. 188

Asbestos Magazine, 1966, December 1966

  • Use: “piping systems of the new thermal generating station at Tracy, Canada, for Hydro-Quebec” (sales to Hydro-Quebec (Tracy generating station)), said by Johns-Manville Corporation, as recorded by Asbestos (magazine), p. 99

Manville Fund's Answers to Interrogatories in Gunn v. Celotex (1989)

  • Made from: “Date Manufactured: 1959”, p. 11610
  • Warning label: “Date Labeled: 1966”, p. 11610
  • Asbestos content: “7.0 - 14.3 % fiber by weight”, p. 11610
  • Made until: “Date Discontinued: 1974”, p. 11610
  • Asbestos content: “asbestos containing”, p. 6310
  • Form: “Jackets”, p. 11610
  • Asbestos fiber: “Chrysotile and/or Amosite”, p. 11610
  • Description: “THERMOBESTOS pipe insulation with a factory applied jacket of aluminum”, p. 7310
  • Asbestos fiber: “Chrysotile and/or Amosite”, p. 11610
  • Made at: “Manville Plant, Manville, New Jersey (1913 through 1985): Metal On” (at Manville) (the plant: Manville, New Jersey), p. 6310

Label: Metal-On stenciled shipping strip, "For Tanks" (Johns-Manville Corporation), Image

  • Sold from: “Date of First Use in Commerce: July 19, 1963”, said by Johns-Manville Corporation, as recorded by U.S. Patent Office trademark file11

Manville Fund's Responses to Plaintiffs' Interrogatories in Moore v. H.K. Porter (1990)

  • Change: “METAL-ON (THERMOBESTOS) replaced by non-asbestos METAL-ON (THERMO-12), 1972/74”, p. 1712
  • Made at: “Long Beach Plant (1938 to 1982): Metal On” (at Long Beach) (the plant: Long Beach, California), p. 2112
  • Asbestos content: “asbestos containing (thermal insulation product)”, p. 1712
  • Made at: “Manville Plant (1913 to 1985): Metal On” (at Manville) (the plant: Manville, New Jersey), p. 2212

The Potter v. Fibreboard Case File (1969-1972), Answers to plaintiff's interrogatories with exhibits

  • Description: “(H. T. Pipe Insulation System) THERMOBESTOS Pipe Insulation with a factory-applied jacket of aluminum”, p. 2613

Johns-Manville Material Safety Data Sheet for METAL-ON (1978)

  • Ingredient: “Ground Silica By weight 40-50%”, p. 114
  • Ingredient: “Glass and Organic Fibers 3-8%”, p. 114
  • Description: “aluminum-jacketed Thermobestos” (as of 1959-1973), p. 9215

Kind of product

We list Metal-on (Johns-Manville) with asbestos-cement pipe, board and sheet, from how the documents describe its form. That page explains how such products exposed workers.

Trades that worked with products like it: Pipefitters and Plumbers, Carpenters and Construction Workers.

See also

References

  1. The Borel v. Fibreboard Case File (1969-1972), Answers to interrogatories with exhibits (March 27, 1970), p. 26.
  2. Asbestos Magazine, 1971, January 1971 (January 1, 1971), p. 5.
  3. Asbestos Magazine, 1970, January 1970 (January 1, 1970), p. 20.
  4. J-M News Pictorial, 1961, February 1961 (February 1, 1961), pp. 8–9.
  5. J-M News Pictorial, 1960, September 1960 (September 1, 1960), p. 12.
  6. The Travelers Insurance Company's Product Information Booklet for Its Asbestos Seminar (1980–1981) (April 30, 1981), p. 6.
  7. J-M News Pictorial, 1959, December 1959 (December 1, 1959), p. 4.
  8. Asbestos Magazine, 1967, May 1967 (May 1, 1967), p. 18.
  9. Asbestos Magazine, 1966, December 1966 (December 1, 1966), p. 9.
  10. Manville Fund's Answers to Interrogatories in Gunn v. Celotex (December 7, 1989), p. 116.
  11. Label: Metal-On stenciled shipping strip, "For Tanks" (Johns-Manville Corporation), Image.
  12. Manville Fund's Responses to Plaintiffs' Interrogatories in Moore v. H.K. Porter (February 15, 1990), p. 17.
  13. The Potter v. Fibreboard Case File (1969-1972), Answers to plaintiff's interrogatories with exhibits (December 29, 1969), p. 26.
  14. Johns-Manville Material Safety Data Sheet for METAL-ON (September 21, 1978), p. 1.
  15. Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two (1986), p. 92. Not yet published in our library.

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“Metal-on (Johns-Manville).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/johns-manville-metal-on.

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