Documents in our library describe Insulkote ST (Johns-Manville) as “fibrated mastic”.1 They give it as made 1929–1982.2,3 They put its asbestos content at 6.2% to 21%.3,4 The asbestos named is chrysotile. It was rated for temperatures up to 250 °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 Insulkote ST (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 Insulkote ST (Johns-Manville) in the documents, in each document's own words.
Union Carbide Chemicals Company: Thermal Insulation and Accessories Manual (1962)
- Form: “Fibrated Mastic”, p. 1341
- Temperature limit: “0 to 250”, p. 1301
- Description: “ASPHALT CUTBACK (Fibrated Mastic)”, p. 1341
- Asbestos content: “Asphalt, asbestos and solvents”, p. 1301
- Temperature limit: “-20 to 250”, p. 1341
- Asbestos content: “Special asphalts, asbestos fibers, inert fillers and mineral spirit solvents.”, p. 1341
- Form: “Vapor Barrier (Boiler Wall Coating)”, p. 1301
- Description: “ASPHALT CUTBACK-FIBRATED (Boiler Wall Coating)”, p. 1301
The Travelers Insurance Company's Product Information Booklet for Its Asbestos Seminar (1980–1981)
Manville Fund's Answers to Interrogatories in Gunn v. Celotex (1989)
- Made from: “Date Manufactured: 1929”, p. 1143
- Description: “Weatherproofing and vapor barrier coatings for insulations on refrigerated equipment”, p. 763
- Made until: “Date Discontinued: 1982”, p. 1143
- Form: “Finishes”, p. 1143
- Asbestos content: “asbestos containing”, p. 623
- Warning label: “Date Labeled: None”, p. 1143
- Asbestos content: “6.2 - 21.0 % fiber by weight”, p. 1143
- Made at: “Manville Plant, Manville, New Jersey (1913 through 1985): Insulkote ST” (at Manville) (the plant: Manville, New Jersey), p. 623
- Asbestos fiber: “Chrysotile”, p. 1143
Johns-Manville Material Safety Data Sheet for INSULKOTE ST (1981)
Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two
- Description: “finishes” (as of 1929), p. 865
Manville Fund's Responses to Plaintiffs' Interrogatories in Moore v. H.K. Porter (1990)
- Made at: “Marrero Plant (1947 to 1980s): Insulkote ST” (at Marrero) (the plant: Marrero, Louisiana), p. 236
- Made at: “Waukegan Plant (1922 to 1985): Insulkote ST” (at Waukegan) (the plant: Waukegan, Illinois), p. 276
- Made at: “Pittsburgh Plant (1926 to 1980s): Insulkote ST” (at Pittsburgh) (the plant: Pittsburg, California), p. 256
- Asbestos content: “asbestos containing”, p. 226
- Made at: “Manville Plant (1913 to 1985): Insulkote ST” (at Manville) (the plant: Manville, New Jersey), p. 226
Kind of product
We list Insulkote ST (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, Roofers.
Other insulating cement and coatings by Johns-Manville (51)
Thermobestos · Superex · Asbestile · 85 Magnesia · 302 · Fibrofil · Fibrous Adhesive · Fil-insul · Fireite · Firetite Furnace Cement · Heat Treating Cement · Insulkote ET · Johns-Manville Jm · Laptite · Laptite Cement · Mx-3808 Asb Filler · Mx-3808 Asbestos Filler · Navy 450 Cement · No. 302 Insulation Cement · Superex 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) · Hilite (Combustion Engineering) · Hy Temp (Armstrong Cork) · Hy Temp (Keasbey & Mattison) · Hylo (Eagle-Picher) · Insul Mastic (Pure Asphalt) · Insul-finish (General Refractories) · Insulation Seal (Celotex) · Insulmastic (Armstrong Cork) · Insulseal (Eagle-Picher) · Insulstic (Eagle-Picher) · K & M (Nicolet) · Kaiser (Combustion Engineering) · Karnak 200 (Karnak Chemical) · Karnak 925 (Karnak Chemical) · Kaytherm (Nicolet) · 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), pp. 130, 134.
- The Travelers Insurance Company's Product Information Booklet for Its Asbestos Seminar (1980–1981) (April 30, 1981), p. 6.
- Manville Fund's Answers to Interrogatories in Gunn v. Celotex (December 7, 1989), p. 114.
- Johns-Manville Material Safety Data Sheet for INSULKOTE ST (March 3, 1981), p. 1.
- Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two (1986), p. 86. Not yet published in our library.
- Manville Fund's Responses to Plaintiffs' Interrogatories in Moore v. H.K. Porter (February 15, 1990), p. 23.
Mentioned on this site
Cite this page
“Insulkote ST (Johns-Manville).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/johns-manville-insulkote-st.
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