Documents in our library describe Thermoflex (Johns-Manville) as “a new type, asbestos filled insulating blanket ... a special asbestos fibre mat shielded with a metallic membrane and enclosed in wire mesh”.1 The asbestos named is amosite. It was rated for temperatures up to 2300 °F.1,2 Where the documents differ, each is listed below with its source.
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Asbestos claims
If you or a family member worked with or around Thermoflex (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 Thermoflex (Johns-Manville) in the documents, in each document's own words.
Asbestos Magazine, 1947, October 1947
- Temperature limit: “withstands starting temperatures on the inside face as high as 2000°F” (as of 1947), said by Johns-Manville, as recorded by Asbestos (magazine), p. 181
- Description: “a new type, asbestos filled insulating blanket ... a special asbestos fibre mat shielded with a metallic membrane and enclosed in wire mesh”, said by Johns-Manville, as recorded by Asbestos (magazine), p. 181
Johns-Manville: Aerospace Insulation Selector (1966)
- Temperature limit: “THERMOFLEX TEMP LIMIT 2300F” (as of 1966), p. 22
Asbestos Magazine, 1949, March 1949
- Asbestos fiber: “a new Johns-Manville method of processing the amosite asbestos fibres into felts”, said by Johns-Manville, as recorded by Asbestos (magazine), p. 203
J-M Production Engineering Report on Equipment for Thermobestos Pipe Covering and Thermoflex Felts (1949)
- Made at: “produced on Thermobestos pilot plant equipment” (as of 1949), p. 24
Asbestos Magazine, 1961, June 1961
- Description: “a blanket-like insulation composed of ceramic fibers produced from arc-furnace melts” (as of 1961), said by Johns-Manville, as recorded by Asbestos (magazine), p. 225
Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two
- Description: “tape: inconnel mesh & asbestos” (as of 1953), p. 1176
Kind of product
We list Thermoflex (Johns-Manville) with paper, felt and millboard and cloth, tape and other textiles, from how the documents describe it. Those pages explain how such products exposed workers.
Other paper, felt and millboard by Johns-Manville (89)
Min-k · Doublex · Thermomat · Firetard · Vitribestos · Special Coated Asbestos Base Felt · Spintex · Standard Flex M-k · Standard Flexible Min-k blankets · Super Fire Felt · Telgard · Thermo Felt · Thermotape · Thermowrap · Toasterbord · Transhield · Type GT · Ventsulation · Vitro Fire Felt · White Surface Asbestos Jacket · and 69 more on the company's page
Paper, felt and millboard by other makers (210)
Pyrotex (Raybestos-Manhattan) · Insubestos (Unarco) · Limpet (Keasbey & Mattison) · Novabestos (Raybestos-Manhattan) · Sal-mo (Nicolet) · Stonefelt (Unarco) · Super Insubestos (Union Asbestos & Rubber Co.) · T/NA 200 (Ruberoid) · Terratex (G.E.) · Terratex (General Electric) · Thermafelt (H. K. Porter) · Thermafiber (U.S. Gypsum) · Thermoid Portersite G (H. K. Porter) · Triple Aaa Hip & Ridge Shingles (Atlantic Asphalt & Asbestos) · Tufbestos (Nicolet) · Tufedg (Munters) · Unarco (Unarco) · Unarco (Union Asbestos & Rubber Co.) · Unarco Asbestos Blanket (Unarco) · Uni Syn (Keasbey & Mattison) · and 190 more: all paper, felt and millboard
Other cloth, tape and other textiles by Johns-Manville (73)
Min-k · Thermobestos pipe covering · Thermomat · Thermotape · Thermowrap · Quinterra Type 3 · Super Temp-Tite · Superheat · Tadpole · Thermo-Chem · Thermo-Pac · Thermo-Pac 2700 · Underwriter's Grade Asbestos Cloth · Underwriter's Grade Asbestos Tape · Underwriter's Grade Asbestos Tubing · Wearbestos · X-250 Expansion A · X-275 · 101 Cloth (Coated) · 135 Tadpole Gasketing Tape · and 53 more on the company's page
Cloth, tape and other textiles by other makers (228)
Pyrotex (Raybestos-Manhattan) · Novabestos (Raybestos-Manhattan) · Sal-mo (Nicolet) · Insutape (Unarco) · Novatex (Raybestos-Manhattan) · Tanpac (A. W. Chesterton) · Tba "T" Range (Turner Brothers Asbestos) · Terrybestos (Raybestos-Manhattan) · Tex-Knit (maker not given) · Therm-a-gard (H. K. Porter) · Thermagard (Southern Asbestos Co.) · Thermalon (Amatex) · Thermoid Custom Lag (H. K. Porter) · Thermolan (Ametek) · Thermolan (Janos Industrial Insulation) · Thermolan 26 (Amatex) · Thrift-T (Atlas Textile) · Tilon (Rex Asbestwerke) · Titegrip (Amatex) · Trevarno (Coast Manufacturing & Supply) · and 208 more: all cloth, tape and other textiles
See also
- Johns-Manville: the company's history, documents, people, products and plants
- Johns-Manville on our products page: what the documents say about the company's asbestos products, with sources
References
- Asbestos Magazine, 1947, October 1947 (October 1, 1947), p. 18.
- Johns-Manville: Aerospace Insulation Selector (November 1, 1966), p. 2.
- Asbestos Magazine, 1949, March 1949 (March 1, 1949), p. 20.
- J-M Production Engineering Report on Equipment for Thermobestos Pipe Covering and Thermoflex Felts (October 1, 1949), p. 2.
- Asbestos Magazine, 1961, June 1961 (June 1, 1961), p. 22.
- Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two (1986), p. 117. Not yet published in our library.
Cite this page
“Thermoflex (Johns-Manville).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/johns-manville-thermoflex.
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