How To Use Etching Primer
This will stop corrosion expansion until the area once again gets exposed to moisture and air.
How to use etching primer. 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. The self etch primer is a good first step for bare metal or an epoxy primer. Wait until you hear the mixing ball rattle and then apply with smooth slightly overlapping strokes. 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.
I then use a primer sealer or epoxy primer to seal up the surface then apply the top coats. Any rust on metal parts must be removed first either by sanding media blasting or brushing off with metal brushes. Shake the primer well before applying. Oil from handling the item with your hands will interfere with the primer. Self etching primer is a lacquer paint mixed with sulfuric acid.
Most of the time self etching primer is primarily intended for unprimed metals. Hold can 12 16 from surface and spray in a steady back and forth motion slightly overlapping each stroke. This involves elbow grease specifically removing the rust by hand with sandpaper. Apply primer only to a freshly cleaned surface. Hope this helps mark.
It s tedious work but worth it. Keep the can the same distance from the surface and in motion while spraying. Https goo gl e3mtnl transbond plus self etching primer combines etchant and primer in a three well. Before a self etching primer ever touches a car the rust should be gone. It will only paint over it.
Allow the final coat of self etching. Sand the aluminum surface by using 120 grit sandpaper. Clean the surface with mineral spirits and let it dry for a few minutes before spraying it. Typically the next step is apply a primer surfacer 2 3 coats then block sand with 320 grit. This helps remove sanding scratches and small surface defects.