Mica Insulator Company recently made an addition to its line of oil cloth

[Trade Journal]

Publication: Western Electrician

Chicago, IL, United States
vol. 22, no. 12, p. 178, col. 3


The Mica Insulator company of New York, Chicago and London announces that it has recently made an addition to its already extensive line of oiled cloth and paper insulations, and is now prepared to furnish M-I-C compound, rope and bond paper. This line of insulation is made from the finest grade of rope and bond paper and treated with two baked coatings of M-I-C compound. The rope paper is furnished in sheets one yard wide, two yards long, and carefully packed between sheets of plain paper. The average breakdown test is 739 volts per mil; thickness, 4 mils. The bond paper is furnished in sheets 19 by 24 inches and 22 by 34 inches, the average breakdown test being 859 volts per mil; thickness, five mils. The company will be pleased to send samples to electrical manufacturers, street railways or lighting stations upon application.


Keywords:Mica Insulator Company
Researcher notes: 
Supplemental information: 
Researcher:Bob Stahr
Date completed:February 11, 2009 by: David Wiecek;