All around the world, people been saying asbestos cause cancer. Canada forbids asbestos usage locally, altough exports a great amount of all the asbestos used worldwide alongside Russia. It's still the most cost-effective material for thermal insulation under extreme heat, being great fort gaskets in general. I'm not afraid to use it to make gaskets in general and using scraps to make EGR blank plates. Using dust-filtering mask when cutting the asbestos pieces decreases the risk of cancer, altough it's usually neglected. I always carry one, in spite of the jokes that I use it to hide my nose deformed after a jeepney crash. And that jeepney got lots of asbestos, at the clutch disc, brake pads, gaskets, and under the body to reduce exhaust heat radiation to the cab...