Just wondering what you treat the metal with after you have put it throuigh a molassas bath. Oxidation set in so quick.
Super Moderator
Molasses, yes you can see the rust returning very quickly. A phosphate wash is good, or you can spray it with WD40 or similar, or just put a metal primer on.
It is the ideal time to start the POR 15 system.
It really depends on what you need to do with it next and how long it will be before it gets a permanent coating.
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Master
Phosphate it!
A water based phosphoric acid rust inhibitor will protect it for a long time if kept dry.
AT REST
"Phosphating" is the use of a "rust converter" which contains phosphoric acid - there are several of these available and you can get them from paint shops or that awful bunnings place.
The use of molasses (citric acid is simpler) is good to remove rust and get back to bare metal, but you do need to treat it or it soon will rust again.
The "rust converter" does just that - it converts the rust to an impermeable iron phosphate layer which can then be painted or otherwise protected.
Whilst the "converted rust" can be painted/primed directly it can be better to apply a second coat rinsing well with fresh water after each coat.
Before applying the "rust converter" remove only the excessive loose and flaking rust (you actually need some rust for it to convert). Give each application a day or two to react before doing more.
But... if you've got rid of all the rust already - phosphating is not going to have anything to react with.... so let it evenly rust a bit before you start.
Thanks for the responses guys.
The items being cleaned are rabbit traps and the intention is not to paint them but protect that nice clean finish that is achieved went they come out of the bath.
The MOD Father
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maybe just use clear acrylic lacquer ....Originally Posted by dunno
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ChatterBox
There is a product called Penatrol which is used by rat rodders, excellent stuff - see the post below.
http://www.aulro.com/afvb/general-ch...ventative.html
Erich
Wizard
When I use to trap - we would dip the traps in liquid parafin wax after boiling them first.
On wood working forums they talk about waxing tools after de rusting also.
Master
Do you want your traps for ornamental reasons or for use?
If for ornamental just clear coat them.
If for use google "feral dog traps" and any supplier should be able to supply you with trap wax.
A light coating of rust is an advantage when waxing traps for use.
Mark
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