Thanks for the additional information on the insulation Mom. When I read them I don't see any undue cause for concern so I think you must be right in that we have very different philosophies on the subject. I can respect that.
I don't think the possible use of either of those insulation and the MSDS sheets say anything about philosophy. They do say a lot about hazards, including "Cancer", inhalation hazards, fibrous man-made materials. Sorry... no philosophy alarms going off in my head.
I'm puzzled that you and Scholar, that you're comfortable with those warnings.
Perhaps both of you can explain your philosophies, so I can better understand how their physical effect, especially to people that DO have specific medical needs, that require that absence of possible carcinogens used in their vapor utensils. Or, just people concerned about not increasing their odds of cancer or just simple lung irritation.
Now, if you're talking about the particular material you're using... because its MSDS sheet reads differently, well... then I can certainly understand. However, I don't remember you providing a link to the specific material you use. This is a discussion about those specific materials, not generalized ones.
NOTE: I am not pointing this out, for any other reason than stated above. This isn't personal, with the exception of my health. Which, given my situation (terminal, like many others, I'm sure)... I think we deserve answers to these
material questions, than just being blown off, with little regard to what is actually said. If questioning that
philosophy of materials, is wrong, nor acceptable... then I shall bow out of the discussion now. I worded my response very carefully, while leaving a sense of why I and others, might be concerned.