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Metallurgist checking in...
Abrasive removal methods do have the prospect of excessive heat input. I would worry more about flap sanding wheels and the like than the blasting methods but abrasive is abrasive. A skilled blaster using something gentle like plastic media is probably best. Back when I worked for an Aerospace OEM we used plastic media blast and it was very gentle. Gentle enough that on simple geometry parts you could sometimes remove just the topcoat and most of the primer without penetrating the cadmium plating (which is softer than butter).
Chemical stripping is the best, no doubt. But the EPA will scream bloody murder over what you need to use.
Plastic media blast. Not glass bead. Certainly not aluminum oxide. Plastic media.
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11-19-12, 08:36 PM
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