How To Use Etching Primer
When the area is rust free apply your base coat otherwise known as the self etching primer.
How to use etching primer. Typically the next step is apply a primer surfacer 2 3 coats then block sand with 320 grit. 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. Wait until you hear the mixing ball rattle and then apply with smooth slightly overlapping strokes. This helps remove sanding scratches and small surface defects.
This will stop corrosion expansion until the area once again gets exposed to moisture and air. Apply primer only to a freshly cleaned surface. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Use mineral spirits to wipe the surface clean and to remove any greasy or wax remnants and then allow it to dry. 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.
Https goo gl e3mtnl transbond plus self etching primer combines etchant and primer in a three well. Self etching primer will not get rid of the rust. I then use a primer sealer or epoxy primer to seal up the surface then apply the top coats. For best adhesion apply 2 or 3 thin coats and allow each coat to dry for 2 minutes before applying the next coat. Any rust on metal parts must be removed first either by sanding media blasting or brushing off with metal brushes.
Sand the aluminum surface by using 120 grit sandpaper. Most of the time self etching primer is primarily intended for unprimed metals. Allow the final coat of self etching. The self etch primer is a good first step for bare metal or an epoxy primer. Wash and dry your metal before application.
It s tedious work but worth it. Before a self etching primer ever touches a car the rust should be gone. Oil from handling the item with your hands will interfere with the primer. It will only paint over it. Shake the primer well before applying.