The following images are linked to the Asbestos Pipe Insulation and Labels guide. The images are of labels that were found on historical asbestos containing pipe insulation. Additional label images are available by asbestos insulation type: Aircell; and by manufacturer: Johns-Manville, Keasbey and Mattison, Ehret Magnesia Manufacturing Co. and Carey. Asbestos Historical Products such as these are available on eBay. Use the guide titled Asbestos Historical Products and Literature for help searching. 

Magnesia Labels