Documents in our library describe Kalfelt (Atlas Asbestos) as “pipe covering being made of laminations of calcium silicate felts; not an asbestos paper product”.1 They give it as sold from 1960.1 It was rated for temperatures up to 1200 °F.1 Where the documents differ, each is listed below with its source.
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What each document says
Every statement about Kalfelt (Atlas Asbestos) in the documents, in each document's own words.
Asbestos Magazine, 1960, November 1960
- Sold from: “Two new High Temperature Insulations ... are being placed on the market”, said by Atlas Asbestos Company Limited, as recorded by Asbestos (magazine), p. 241
- Description: “pipe covering being made of laminations of calcium silicate felts; not an asbestos paper product”, said by Atlas Asbestos Company Limited, as recorded by Asbestos (magazine), p. 241
- Use: “insulating high temperature lines which may be subjected to heavy mechanical abuse”, said by Atlas Asbestos Company Limited, as recorded by Asbestos (magazine), p. 241
- Temperature limit: “temperature limit of 1200°F.”, said by Atlas Asbestos Company Limited, as recorded by Asbestos (magazine), p. 241
- Asbestos content: “felts are composed solely of calcium silicate, selected asbestos fibres and a thermally and chemically inert bonding agent”, said by Atlas Asbestos Company Limited, as recorded by Asbestos (magazine), p. 241
Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two
- Description: “calcium silicate & asbestos” (as of 1960), p. 872
Kind of product
We list Kalfelt (Atlas Asbestos) with pipe covering and block insulation and paper, felt and millboard, from how the documents describe it. Those pages explain how such products exposed workers.
Trades that worked with products like it: Insulators and Insulation Workers, Pipefitters and Plumbers.
Other pipe covering and block insulation by Atlas Asbestos Company, Montreal (3)
Pipe covering and block insulation by other makers (273)
Thermobestos · Superex (Johns-Manville) · Careytemp (Philip Carey) · Kaylo (Owens-Corning) · Unibestos (Union Asbestos & Rubber Co.) · K & M Aircell (Keasbey & Mattison) · K&M Best in Asbestos (Keasbey & Mattison) · K-12 Cal Sil (Combustion Engineering) · K-20 (Combustion Engineering) · K-fac (U.S. Gypsum) · K-fac 19 (U.S. Gypsum) · Kaiser M. (Combustion Engineering) · Kay-Therm (Keasbey & Mattison) · Kaylo (Owens-Illinois) · Kaylo 10 (Owens-Corning) · Kaylo 20 (Owens-Corning) · Kaylo-klad (Owens-Corning) · Kaytherm (Nicolet) · Lasco (Lynch Asbestos) · Lennolite (Philip Carey) · and 253 more: all pipe covering and block insulation
Paper, felt and millboard by other makers (299)
Min-k (Johns-Manville) · Pyrotex (Raybestos-Manhattan) · Insubestos (Unarco) · Limpet (Keasbey & Mattison) · Novabestos (Raybestos-Manhattan) · Johns-Manville Jm (Johns-Manville) · K & M 101 (Keasbey & Mattison) · K & M 104 (Keasbey & Mattison) · K & M 201 (Keasbey & Mattison) · K&M Best in Asbestos (Keasbey & Mattison) · K-board (Nicolet) · K-Mat (Hammermill Paper Co. (Strathmore Paper Co. Div.)) · Kreuznacher Asbest-Werke Germany Theo & Geo Seitz (Seitz-Asbest Werke, Theo & Geo Seitz) · Kreuznacher Filter-Undasbestwerke Germany.Theo & Geoseitz (Seitz-Asbest Werke, Theo & Geo Seitz) · Lasco (Lynch Asbestos) · Lily (Jujo Paper) · Long Fiber Asbestos Paper (Johns-Manville) · Micabestos (Raybestos-Manhattan) · Micarta 8564 (Westinghouse) · Microbestos (Johns-Manville) · and 279 more: all paper, felt and millboard
See also
- Atlas Asbestos Company, Montreal: the company's history, documents, people, products and plants
References
- Asbestos Magazine, 1960, November 1960 (November 1, 1960), p. 24.
- Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two (1986), p. 87. Not yet published in our library.
Cite this page
“Kalfelt (Atlas Asbestos).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/atlas-asbestos-kalfelt.
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