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Pat Cohenour,

I would always use MEK or methylene Chloride. they will clean the surface
and soften the epoxy a little to boot to give a good chemical bond.

At work we prep bonding parts and acetone sometimes works, but many oils
(hydraulic, fingerprints) are unaffected by it at all. if you have an oily
surface I would get a squirt bottle and wash down the area wiping afterwards
with a clean rag using either of the two solvents lancair recommends,
especially at critical bonds. that method has worked well for me. my 2
cents.

Scott

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Please send your photos and drawings to marvkaye@olsusa.com.