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Old 03-27-2017, 06:41 AM
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Quote:
Originally Posted by Big Truck Driver View Post
What is a good procedure in using ospho under epoxy?
Wipe on , keep wet for 15 minutes. Wipe off with clean towel only,no water, let dry and paint?
Or do you wipe off damp cloth then again with wax grease remover then paint.
It depends on what your trying to do, if you have rust or not or if your just trying to protect the bare metal from future rust.
As a metal prep Ospho can be deluted a lot. You just add about 50% water. Using a plastic pump spray bottle you spray it on, SCRUB it in (scuff pad) then wipe it off with a damp paper shop towel, youll see all kinds of dirty crap coming off your supposedly clean metal. OR you can do what most of the pros do and just spray your epoxy over the bare metal without doing anything and save a few hours. Its good enough for them.
Either way you go always clean with W&G You wouldn't believe how many pros don't even use this on bare metal prep. Also keep in mind not to touch your bare metal without gloves the oils on your hands will start rusting anything that's been touched, even under the primer.
Doing all this is still useless if your compressor is blowing water and oil out your hose, good filters in your air supply are important
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