How To Use Etching Primer
This helps remove sanding scratches and small surface defects.
How to use etching primer. Etch primers can be used across a range of metals once corrosion and dirt have been removed ensure dissimilar metals are isolated from each other or corrosion will continue once the etch primer has dried it is ready to paint. This will stop corrosion expansion until the area once again gets exposed to moisture and air. This involves elbow grease specifically removing the rust by hand with sandpaper. Hold can 12 16 from surface and spray in a steady back and forth motion slightly overlapping each stroke. Self etching primer is a lacquer paint mixed with sulfuric acid.
Wash and dry your metal before application. Use mineral spirits to wipe the surface clean and to remove any greasy or wax remnants and then allow it to dry. When the area is rust free apply your base coat otherwise known as the self etching primer. Clean the surface with mineral spirits and let it dry for a few minutes before spraying it. Allow the final coat of self etching.
Self etching primer will not get rid of the rust. Sand the aluminum surface by using 120 grit sandpaper. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. It s tedious work but worth it. I then use a primer sealer or epoxy primer to seal up the surface then apply the top coats.
The self etch primer is a good first step for bare metal or an epoxy primer. Shake the primer well before applying. Wait until you hear the mixing ball rattle and then apply with smooth slightly overlapping strokes. Caveats with self etching primer the most important thing to remember when using this type of primer is that your surface needs to be clean and dry. Most of the time self etching primer is primarily intended for unprimed metals.
Keep the can the same distance from the surface and in motion while spraying. Typically the next step is apply a primer surfacer 2 3 coats then block sand with 320 grit. Https goo gl e3mtnl transbond plus self etching primer combines etchant and primer in a three well. Hope this helps mark. Apply primer only to a freshly cleaned surface.