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Question for Franz

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Tom

02-26-2002 19:10:55




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I have been using the electrlosis method and it works great. Many thanks for the schooling on how to do it. My question is when I take a part out of the tank usually we take a wire wheel on the grinder and run over the metal and it cleans up great then I use ospho on the metal and let it dry and then either paint it or prime it and then paint,but can I take the part out of the tank and wash it off and then let it dry and then put the ospho on it or do I have to get all of the black off? Also I have a piece that I took out and I need to bondo it,should I clean it up good down to bare metal and then bondo and then put on the ospho(a phospheric acid mix with water that I buy at the hardware store) Thank You and another THANKS for the info on electrolisis

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Franz

02-26-2002 21:01:21




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 Re: Question for Franz in reply to Tom, 02-26-2002 19:10:55  
The black crap that is on the piece comes off very easily if you just wash with dishsoap and hot water or blow it off with a pressure washer as soon as you take it out of the electrrolosys tank. Nobody I've met has a real good idea what the crap is, but everybody agrees it should be taken off, and it is easiest to remove when the object is fresh from the process.
THE one thing you never want to do, is get caught by your wife using either the kitchen sink, or worse, HER dishwasher for this cleaning process. Trust Me, and don't ask for explanation.
You would be best served by then letting the piece dry thoroughly and let it form a coat of light rust. Then apply the Ospho. That would give you a coating of Iron Oxide for the Ospho to turn into a coating of Iron Phosphate. You can enamel directly over the Iron Phosphate (that's how I usually do it), and there isn't any need for primer.
The purpose of primer is to provide a surphace paint can stick to, and Iron Phosphate is excellent for paint to stick to.
Do Bondo after you have done the Ospho process and let it thoroughly dry. If the piece is going to be exposed to vibration, use Duraglass, not Bondo. Duraglass is a lot harder, and holds up to vibration better than Bondo. Any glass filer will hold well to Iron Phosphate, and the Iron Phosphate will be chemicly bonded to the steel underneath.
Ospho would probably loosen Bondo that was applied before the acid treatment.
Be careful to NOT get any Phosphoric Acid product near aluminum, Phosphorit will eat aluminum.

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Franz

02-26-2002 21:00:58




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 Re: Question for Franz in reply to Tom, 02-26-2002 19:10:55  
The black crap that is on the piece comes off very easily if you just wash with dishsoap and hot water or blow it off with a pressure washer as soon as you take it out of the electrrolosys tank. Nobody I've met has a real good idea what the crap is, but everybody agrees it should be taken off, and it is easiest to remove when the object is fresh from the process.
THE one thing you never want to do, is get caught by your wife using either the kitchen sink, or worse, HER dishwasher for this cleaning process. Trust Me, and don't ask for explanation.
You would be best served by then letting the piece dry thoroughly and let it form a coat of light rust. Then apply the Ospho. That would give you a coating of Iron Oxide for the Ospho to turn into a coating of Iron Phosphate. You can enamel directly over the Iron Phosphate (that's how I usually do it), and there isn't any need for primer.
The purpose of primer is to provide a surphace paint can stick to, and Iron Phosphate is excellent for paint to stick to.
Do Bondo after you have done the Ospho process and let it thoroughly dry. If the piece is going to be exposed to vibration, use Duraglass, not Bondo. Duraglass is a lot harder, and holds up to vibration better than Bondo. Any glass filer will hold well to Iron Phosphate, and the Iron Phosphate will be chemicly bonded to the steel underneath.
Ospho would probably loosen Bondo that was applied before the acid treatment.
Be careful to NOT get any Phosphoric Acid product near aluminum, Phosphorit will eat aluminum.

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Franz

02-26-2002 21:00:26




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 Re: Question for Franz in reply to Tom, 02-26-2002 19:10:55  
The black crap that is on the piece comes off very easily if you just wash with dishsoap and hot water or blow it off with a pressure washer as soon as you take it out of the electrrolosys tank. Nobody I've met has a real good idea what the crap is, but everybody agrees it should be taken off, and it is easiest to remove when the object is fresh from the process.
THE one thing you never want to do, is get caught by your wife using either the kitchen sink, or worse, HER dishwasher for this cleaning process. Trust Me, and don't ask for explanation.
You would be best served by then letting the piece dry thoroughly and let it form a coat of light rust. Then apply the Ospho. That would give you a coating of Iron Oxide for the Ospho to turn into a coating of Iron Phosphate. You can enamel directly over the Iron Phosphate (that's how I usually do it), and there isn't any need for primer.
The purpose of primer is to provide a surphace paint can stick to, and Iron Phosphate is excellent for paint to stick to.
Do Bondo after you have done the Ospho process and let it thoroughly dry. If the piece is going to be exposed to vibration, use Duraglass, not Bondo. Duraglass is a lot harder, and holds up to vibration better than Bondo. Any glass filer will hold well to Iron Phosphate, and the Iron Phosphate will be chemicly bonded to the steel underneath.
Ospho would probably loosen Bondo that was applied before the acid treatment.
Be careful to NOT get any Phosphoric Acid product near aluminum, Phosphorit will eat aluminum.

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Tom

02-28-2002 18:49:10




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 Re: Re: Question for Franz in reply to Franz, 02-26-2002 21:00:26  
Thanks again Franz for the good advice!



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