At 16:16 4/29/99 -0400, Joe L. wrote: > > I had considered doing that but did not due to an expierence I had a few > years ago. I sprayed electronic cleaner on some brushes on a electric motor. > The brushes desolved!!! > That you got away with it indicates that all electronic cleaners are not > created equally. What brand did you use?
Joe, *Electronic* contact cleaner (used to) contain(s) one of the lower-vapor-pressure Freons, often with some silicone lube. Dunno exactly what the solvent is now, but it's not generally harmful to plastics. *Industrial* contact cleaner, OTOH, also contains something like methyl chloride which gives it more bite -- and melts plastic. Check the labeling on the can for warnings, or buy Radio Shack brand which is safe for plastics. I'm scratching my head over one thing -- brushes are ordinarily made of carbon, which is pretty much insoluble in everything. Was it the brushes themselves that went away, or a plastic housing? david David Beierl - dbeierl@ibm.net |
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