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Old 01-04-2022, 04:18 PM
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Join Date: Jul 2008
Location: Cheshire, UK
Posts: 2,085

The foaming agent in LW-PLA makes for a thin skin which in turn means any degradation caused by the paint will be more significant.
In addition I think you will find 'metallic' finishes use more solvent in the mix to ensure the particles in the paint have time to 'settle' to give the required finish. The solvent is just as likely to attack a plastic as the propellent.
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