Hi - I've treated minor rust on cars for years now, but it's never really worked for long. I've mainly used phosphorous pentoxide based rust converters. I've tried putting the stuff on without sanding first, also/or after sanding, painting with a primer, then top-coat. But 3 months later the dreaded rust always comes back through . This is even for minor surface rust - with no hidden body of rust underneath. Help please.... Does anyone know of a really effective modern one - avalable retail (in the uK) - one that
- posted
16 years ago