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With the deluge of differing advice on cleaning parts prior to bonding, the
only thing I am sure of is that this is no project for someone with an
Obsessive Compulsive Disorder.  For those of us who will always wonder if
cleaning three times really really really cleaned it, I am wondering if anyone
has tried some sort of soluable dye or marker.  Sort of like a practical
"glass test".  Wiped on the surface before starting cleaning, it would provide
proof of cleaning when it is no longer detectable on the part or wiper.

For that matter, it would be a help if any sort of dye could be added to the
mold release at the manufacturing stage.  (Lance?)  The idea of putting
something invisible on your parts that the builders must somehow remove sounds
crazy at first.

There is a story of a very early Lancair kit builder who was asked what he
used to remove the mold release before bonding.  His reply was "What mold
release?".  They grabbed the tail of his fuselage and with a good twist his
fuselage halves separated like a zipper.  That is the story that gave me this
Obsessive Compulsive Disorder.

Russ Bliss