Documents in our library describe Best Felt (Keasbey & Mattison) as “block and pipe covering”.1 They give it as made until 1962.2 It was rated for temperatures up to 700 °F.1 Where the documents differ, each is listed below with its source.
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What each document says
Every statement about Best Felt (Keasbey & Mattison) in the documents, in each document's own words.
Union Carbide Chemicals Company: Thermal Insulation and Accessories Manual (1962)
- Description: “Built up of asbestos fiber felts laminated and cemented together to form a relatively spongy material. Resilient. Forty layers per inch. Flexible.”, p. 781
- Form: “Block and Pipe Covering”, p. 781
- Temperature limit: “Atmos to 700”, p. 781
- Asbestos content: “Asbestos Fiber (Sponge Felt)”, p. 781
Travelers Asbestos Products Printout, July 1981
Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two
- Description: “asbestos paper & pipe covering” (as of 1953), p. 623
Kind of product
We list Best Felt (Keasbey & Mattison) with pipe covering and block insulation, from how the documents describe its form. That page explains 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 Keasbey & Mattison (12)
Duplex · K&M Best in Asbestos · Kay-Therm · 85 Magnesia · Hy Temp · Non-sweat · Aircell · Featherweight · K & M · K & M Aircell · Simplex Super Shrink · Zebra
Pipe covering and block insulation by other makers (264)
Thermobestos · Superex (Johns-Manville) · Careytemp (Philip Carey) · Kaylo (Owens-Corning) · Unibestos (Union Asbestos & Rubber Co.) · Asbestos Sponge (Felted, Sectional, Molded) (Johns-Manville) · Asbestos Sponge (Mundet Cork) · Asbestos Sponge (Philip Carey) · Asbestos Sponge Felt (Nicolet) · Asbestos Sponge Felt (Ruberoid) · Atlasite (Atlas Asbestos) · Best Felt (Armstrong Cork) · Bestfelt (Nicolet) · Cal Temp (Pabco Products) · Calcium Silicate (Unarco) · Calsilite (GAF) · Calsilite (Ruberoid) · Calsilite Insulation Cement (GAF) · Calsilite-H1 (Ruberoid) · Calsilite-Hi (GAF) · and 244 more: all pipe covering and block insulation
See also
- Keasbey & Mattison: the company's history, documents, people, products and plants
- Keasbey & Mattison on our products page: what the documents say about the company's asbestos products, with sources
References
- Union Carbide Chemicals Company: Thermal Insulation and Accessories Manual (October 1, 1962), p. 78.
- Travelers Asbestos Products Printout, July 1981 (July 1, 1981), p. 18.
- Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two (1986), p. 62. Not yet published in our library.
Cite this page
“Best Felt (Keasbey & Mattison).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/keasbey-and-mattison-best-felt.
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