Documents in our library describe 678 Semi-Refractory Cement (Johns-Manville) as “cement”.1 They give it as made 1941–1969.2 They put its asbestos content at 20% to 35%.2 The asbestos named is chrysotile. It was rated for temperatures up to 1900 °F.3 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 678 Semi-Refractory 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 678 Semi-Refractory Cement (Johns-Manville) in the documents, in each document's own words.
Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two
- Description: “cement” (as of 1941-1969), p. 1311
Manville Fund's Answers to Interrogatories in Gunn v. Celotex (1989)
Johns-Manville Insulation in Industry (c. 1942)
- Temperature limit: “For temperatures to 1900 deg. F.”, p. 103
Asbestos Magazine, 1941, August 1941
- Sold from: “has recently been announced by Johns-Manville”, said by Johns-Manville, as recorded by Asbestos (magazine), p. 184
Kind of product
We list 678 Semi-Refractory Cement (Johns-Manville) with insulating cement and coatings, from how the documents describe it. 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 · 364 Cement · 400 Cement · 450 · 450 Cement · 500 · 500 Cement · 678 Semi-refractory · 85% Magnesia Cement · Asbestoment · Asbestos Fire Felt · Fibrofil · Fibrous Adhesive · Fil-insul · Fireite · Firetite Furnace 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) · 330 (Unarco) · 43 (Eagle-Picher) · 430 (Unarco) · 50 Finishing (Unarco) · 66 (Eagle-Picher) · 660 (Atlas Asbestos) · 660 (Owens-Corning) · 7 Asbestos (Combustion Engineering) · 7 K Type Cement (Ruberoid) · 707 (Philip Carey) · 707 Insulating Cement (Philip Carey) · 7M (Crown Cork & Seal) · 7M (Eagle-Picher) · 7M (Gaf/Ruberoid) · 7M (Mundet Cork) · 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
- Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two (1986), p. 131. Not yet published in our library.
- Manville Fund's Answers to Interrogatories in Gunn v. Celotex (January 1, 1989), p. 97.
- Johns-Manville Insulation in Industry (January 1, 1944), p. 10.
- Asbestos Magazine, 1941, August 1941 (August 1, 1941), p. 18.
Cite this page
“678 Semi-Refractory Cement (Johns-Manville).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/johns-manville-678-semi-refractory-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.