Coating a Cast Iron Marine Heat Riser Exhaust

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    jbotti1
    Member

    Tonight I plan on coating a heavy cast iron marine heat exhaust riser. It’s basically a water cooled exaust pipe. It weighs a good 30 lbs. Do I have to worry about outgassing? I had a bad experiance with cast aluminum and don’t want a repeat.
    I plan on:
    -cleaning
    -sandblasting
    -cleaning with acetone
    -preheating to 150 degrees
    -shooting
    -baking
    thanks,
    Joe

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