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  1. BlackDogIron

    fixing of pinholes and other surface imperfections.

    I agree, avoiding pits in the first place is desirable :-) Lowering the viscosity sounds good. Didn't really have this problem with poly-ester resin. Guess I didn't use enough resin to begin with?
  2. BlackDogIron

    fixing of pinholes and other surface imperfections.

    I am using West Systems Epoxy 105 with special clear hardener. I made a mold of a motorcycle chain guard and vacuum baggeda carbon part. The molded surface of the part is not SMOOTH. I tried sanding it a little and brushing more resin on to fill voids but the resin resists voids like the plague...
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