Documents in our library describe 85% Magnesia Cement (Johns-Manville) as “insulating cement”.1 They put its asbestos content at 10%.2 It was rated for temperatures up to 600 °F.1 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 85% Magnesia Cement (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 85% Magnesia Cement (Johns-Manville) in the documents, in each document's own words.
Union Carbide Chemicals Company: Thermal Insulation and Accessories Manual (1962)
Johns-Manville Material Safety Data Sheet for 85% Magnesia Insulating Cement
- Asbestos content: “10”, p. -152
Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two
- Description: “cement” (as of 1931-1970), p. 1283
Kind of product
We list 85% Magnesia Cement (Johns-Manville) with insulating cement and coatings, 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, Boilermakers.
Other insulating cement and coatings by Johns-Manville (51)
Thermobestos · Superex · Asbestile · 85 Magnesia · 302 · 400 Cement · 450 · 450 Cement · 500 · 500 Cement · 678 Semi-refractory · 678 Semi-Refractory Cement · Asbestoment · Asbestos Fire Felt · Fibrofil · Fibrous Adhesive · Fil-insul · Fireite · Firetite Furnace Cement · Heat Treating Cement · and 31 more on the company's page
Insulating cement and coatings by other makers (273)
Prasco (Fibreboard) · Calsilite (GAF) · Caltemp (Fibreboard) · Sal-mo (Nicolet) · Super 66 (Eagle-Picher) · 81-27 and 81-93 (Benjamin Foster) · 85 Magnesia (Crown Cork & Seal) · 85 Magnesia (Fibreboard) · 85 Magnesia (Gaf/Ruberoid) · 85 Magnesia (Keasbey & Mattison) · 85 Magnesia (Philip Carey) · 85% Magnesia Cement (Fibreboard) · 90-07 H.I. Mastic (Benjamin Foster) · 99 (Eagle-Picher) · 99 Finishing Cement (Eagle-Picher) · A-1 (Philip Carey) · A-1199 (Combustion Engineering) · A.P.Green (A. P. Green Firebrick Co.) · A101 (Philip Carey) · AF (Rock Wool Manufacturing Co.) · and 253 more: all insulating cement and coatings
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
- Union Carbide Chemicals Company: Thermal Insulation and Accessories Manual (October 1, 1962), p. 87.
- Johns-Manville Material Safety Data Sheet for 85% Magnesia Insulating Cement, p. -15.
- Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two (1986), p. 128. Not yet published in our library.
Mentioned on this site
Cite this page
“85% Magnesia Cement (Johns-Manville).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/johns-manville-85-magnesia-cement.
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This page is provided for general informational purposes and does not constitute legal advice. Every asbestos case turns on its own facts, exposure history, diagnosis, deadlines, available evidence, and applicable law. Reviewing this page does not create an attorney-client relationship. For advice about your specific situation, call 833-4-ASBESTOS for a free case review.