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Pre-Paint Degreasing
| Nick Wheeler | 06/09/2023 10:43:21 |
| 1227 forum posts 101 photos | Posted by SillyOldDuffer on 05/09/2023 12:04:49:
Posted by Graham Stoppani on 05/09/2023 06:25:49:
Dan Gelbart is rather dismissive of using solvents to prepare metals for painting. He says a sand blaster, bluing or Ajax, of all things, is best. ...
Suitably chosen solvents are unlikely to damage the surface, whereas abrasives do. Maybe painting implies that scratching and pitting the surface isn't a problem, and it's often done deliberately to provide a key. But abrasives aren't smart if the object is to be anodised.
Degreasing and surface preparation are not the same thing! You abrade the surface so the paint will stick to it mechanically/chemically. You clean the surface of anything that will prevent the paint from sticking to it. This is the last thing you do before opening the paint, and it needs to be done with something that won't leave a residue that's incompatible with the paint. That's why petrol isn't a good cleaner for this purpose. |
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All Forum Topics > General Questions > Pre-Paint Degreasing