Yeah, but everything John knows about being lazy he learned from meOriginally posted by Steve Wood
come on, Carl...John Estill is too lazy to answer the question!
. Acutally, I usually don't read this forum and just happened to see your post. Unfortunately I don't have anything quantitative to add. Denatured is almost 100% ethanol plus some denaturant like methanol or some other poison. I looked in the solvent resistance charts in the Cole-Parmer catalog and they list methanol, 10% methanol (which I ASSUME is 90% water), and ethanol. For the metals like stainless steel, aluminum, copper, steel, etc., all were the same (pretty much all A's) except the 10% MeOH got an A on copper while pure MeOH got a B. A means no effect, B means a slight effect. On elastomers and plastics they were all similar except Buna N doesn't like EtOH and Viton doesn't like MeOH (each got a C), while bascially all the rest of the plastics and elastomers they listed got B's and A's. If John has his corrosion text from school that may give some more data but I never took that class .
