V-Dent was a pipe and block insulation made by Norristown Magnesia & Asbestos Co., of Norristown, Pennsylvania.1,2 What is known of it comes from the company's own ads in Asbestos, the industry's trade journal, from 1943 to 1949; the ads do not say what it was made of.1,3
The April 1943 ad offered "V-Dent Pipe and Block Insulations" for temperatures up to 500° F.1 Later ads pitched "V-Dent Pipe Covering" to "men who know the value and appreciate the ease of application" (1944), and promised "super-efficiency, ruggedness, ease of application" (1945).2,4 By December 1948 the ads read "for temperatures up to 600 degrees," and a February 1949 ad showed a thermometer marked 600°, without a unit in either.3,5
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What each document says
Every statement about V-Dent (Norristown Magnesia & Asbestos) in the documents, in each document's own words.
Asbestos Magazine, 1943, April 1943
Asbestos Magazine, 1944, June 1944
- Description: “V-Dent Pipe Covering, for men who know the value and appreciate the ease of application”, p. 392
Asbestos Magazine, 1949, February 1949
- Temperature limit: “600° (thermometer graphic) V-DENT PIPE INSULATION”, p. 453
Asbestos Magazine, 1945, June 1945
- Description: “V-DENT INSULATION: super-efficiency, ruggedness, ease of application”, p. 274
Asbestos Magazine, 1948, December 1948
- Temperature limit: “FOR TEMPERATURES UP TO 600 DEGREES”, p. 435
Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two
- Description: “pipe insulation” (as of 1951), p. 1236
Kind of product
We list V-Dent (Norristown Magnesia & Asbestos) 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 Norristown Magnesia & Asbestos Co. (1)
Pipe covering and block insulation by other makers (275)
Thermobestos · Superex (Johns-Manville) · Careytemp (Philip Carey) · Kaylo (Owens-Corning) · Unibestos (Union Asbestos & Rubber Co.) · Type M (Crown Cork & Seal) · Unarco (Union Asbestos & Rubber Co.) · Unibestos (Pittsburg Corning) · Unibestos (Pittsburgh Corning) · Unibestos 1200 (Unarco) · Unibestos 750 (Unarco) · V-dent (Nicolet) · Vercel (Eagle-Picher) · Vitribestos (Johns-Manville) · Vitro Fire Felt (Johns-Manville) · Watcocell (GAF) · Weber's HT (Forty-Eight Insulations) · Webers 48 (Forty-Eight Insulations) · White Surface Asbestos Jacket (Johns-Manville) · Wovenstone (Unarco) · and 255 more: all pipe covering and block insulation
See also
- Norristown Magnesia & Asbestos Co. on our products page: what the documents say about the company's asbestos products, with sources
References
- Asbestos Magazine, 1943, April 1943 (April 1, 1943), p. 27.
- Asbestos Magazine, 1944, June 1944 (June 1, 1944), p. 39.
- Asbestos Magazine, 1949, February 1949 (February 1, 1949), p. 45.
- Asbestos Magazine, 1945, June 1945 (June 1, 1945), p. 27.
- Asbestos Magazine, 1948, December 1948 (December 1, 1948), p. 43.
- Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two (1986), p. 123. Not yet published in our library.
Cite this page
“V-Dent (Norristown Magnesia & Asbestos).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/norristown-magnesia-and-asbestos-v-dent.
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