When should you not use etch primer?
WHEN SHOULD THEY NOT BE USED? When corrosion protection in coastal environments is required, etch primers are not adequate. A zinc-rich primer should be used as part of a heavy-duty, high build, two-pack system.
Do you prime self etching primer?
As a rule of thumb Self Etching Primers need another coat of primer over them to fully seal everything up long term. We suggest using a Urethane Primer over the self etching primer as a barrier between the self etching primer (Do not use Epoxy over Self Etch).
Does etch primer need to be sanded?
In any complete restoration or body repair project, you will to sand primer at one point or another. However, most manufacturers of self-etching primer, due to the acid base of the products, don’t recommend directly sanding the self-etching primer.
How long after etching primer can I paint?
DRY & RECOAT Dries to the touch in 10 minutes and to handle in 15-30 minutes. Apply a top coat after 30 minutes.
Can you sand etching primer?
Allow the final coat of Self Etching Primer to dry for a minimum of 3-4 hours before dry sanding, or 15 minutes before wet sanding with #400 grit sandpaper. Do not use near open flame.
How long does it take for Dupli-Color primer to dry?
Allow surface to dry 10 minutes between coats, and 30 minutes before sanding or applying finish coat of paint. If needed, sanding can be done wet or dry after 30 minutes with 600 grit sandpaper.
How long after etching primer Can you paint?
The can says you must wait “at least 30 minutes.”
Can you paint directly over etch primer?
An even, heavy coat of etching primer will form an excellent base coat that will allow one to either paint over with a regular primer right away, or wait a couple of days before adding any additional coats of primer.
How long can you leave etch primer before painting?