Showing posts with label transite. Show all posts
Showing posts with label transite. Show all posts

Sunday, June 25, 2017

Myths and Facts about Asbestos-Cement

Is this what we call “Transite?”
Not entirely. Transite is a trade name for Johns-Manville asbestos-cement products made to specific formulations. For example, a line of Transite electrical ducts had 15 to 25% chrysotile asbestos, 45 to 55% Portland cement and 25 to 35% silica flour. I have seen a lot of asbestos-cement products in the US without the name “Transite,” not surprising since CertainTeed, National Gypsum, GAF Corporation, Celotex, Nicolet and others also produced it. I have never seen the name “Transite” used in connection with asbestos-cement products outside the US, where major producers included Eternit, Saint Gobain and James Hardie.

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