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   Regarding the recent discussion of PPG paints, when I tried to use them
I had major fisheye problems.  In spite of two visits to my shop by PPG tech
reps and numerous discussions about the cause (not to mention a new spray
gun, new filter system, new hoses, etc., etc.) , I never did solve the
problem.  Finally switched to DuPont Imron, and have had no further
problems.

   The only clue I have is based on a suggestion from a builder Down Under.
The PPG paints use three components, the last of which is added in very
small quantity.  The natural thing is to use a 5 cc plastic syringe to
dispense these small volumes accurately, which is what I did.  My Aussie
correspondent pointed out that the plungers of most disposable (medical)
syringes are lubricated with silicone, and silicone is a potent generator of
fisheyes in paint.

   By the time I received this note, I had already switched to Imron and
was fairly well along, so I haven't gone back and experimented to see if
using another method of measuring would eliminate the fisheyes.  The message
is, if you use the PPG system, be careful what you use to measure out the
components.  Some syringes have an all plastic plunger; an alternative would
be a small-volume measuring cylinder or cup.

   The DuPont system is two-part, so both volumes are usually measured into
a graduated mixing cup.  That may be the reason I haven't had the dreaded
fisheyes with Imron.

Jim Cameron
N143ES reserved  (last paint going on now)

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