Posted by JayC on January 8, 2009, 5:45 pm
I haven't used this stuff, but apparently it's been around for years:
http://www.dtep.com/mustrust.htm
Looks pretty kewl. Anybody use it before?
JayC
Posted by XR650L_Dave on January 8, 2009, 5:59 pm
> I haven't used this stuff, but apparently it's been around for years:
> http://www.dtep.com/mustrust.htm
> Looks pretty kewl. Anybody use it before?
> JayC
Hmmm, EDTA based like Evapo-Rust?
Dave
Posted by john on January 9, 2009, 8:32 am
we use a citric acid at the shop to remove weld discolorations on stainless
in conjunction with a battery charger like device... basically acid and
electricity to passivate the weld area.
we have a zapper like this one (not this brand name)
http://www.secoeng.co.uk/weld-discolouration-removal.php
here's another rusty thread, you might find helpful.
some acid is cheap...
http://www.mig-welding.co.uk/forum/showthread.php?tu73&page=4
>I haven't used this stuff, but apparently it's been around for years:
> http://www.dtep.com/mustrust.htm
> Looks pretty kewl. Anybody use it before?
> JayC
Posted by fran...123 on January 9, 2009, 10:01 am
JayC wrote in message
>I haven't used this stuff, but apparently it's been around for years:
>http://www.dtep.com/mustrust.htm
>Looks pretty kewl. Anybody use it before?
>JayC
"After the rust is dissolved and the Must for Rust has dried, the surface is
ready for the next step, whether it be painting, welding, plating,
lubricating, etc. " Maybe you could weld with fluxed sticks but you
sure wouldn't tig weld over rust and/or dried chemical.
Steel commercial fishing vessels often buy gallons of ospho or some similar
spelling. It is phosphoric acid (cola as well) and really does make the red
go away and look much better at the dock. Put in a pump up sprayer on the
ride back to the dock. For a dirt bike yes it will make the rust on bare
metal go away from view but for a dirt bike parts seems the things would be
relatively easy to disassemble and sand blast or bead blast.
I don't see you have provided a link with the actual chemical, perhaps I
missed it.
I have got phosphoric acid products from NAPA, I guess the treatment before
rustoleum rusty metal primer then top coat is better than no treatment but
not by much. I have used the ospho as a commercial fisherman and also note
when in dry dock for service / repairs chipping grinding and stuff like that
are used.
Fran
Posted by XR650L_Dave on January 9, 2009, 10:20 am
> JayC wrote in message
> >I haven't used this stuff, but apparently it's been around for years:
> >http://www.dtep.com/mustrust.htm
> >Looks pretty kewl. Anybody use it before?
> >JayC
> "After the rust is dissolved and the Must for Rust has dried, the surface is
> ready for the next step, whether it be painting, welding, plating,
> lubricating, etc. " Maybe you could weld with fluxed sticks but you
> sure wouldn't tig weld over rust and/or dried chemical.
> Steel commercial fishing vessels often buy gallons of ospho or some similar
> spelling. It is phosphoric acid (cola as well) and really does make the red
> go away and look much better at the dock. Put in a pump up sprayer on the
> ride back to the dock. For a dirt bike yes it will make the rust on bare
> metal go away from view but for a dirt bike parts seems the things would be
> relatively easy to disassemble and sand blast or bead blast.
> I don't see you have provided a link with the actual chemical, perhaps I
> missed it.
> I have got phosphoric acid products from NAPA, I guess the treatment before
> rustoleum rusty metal primer then top coat is better than no treatment but
> not by much. I have used the ospho as a commercial fisherman and also note
> when in dry dock for service / repairs chipping grinding and stuff like that
> are used.
> Fran
http://www.krudkutter.com/msds_sheets/MR_msds.pdf
Looks like it's just another phosphoric acid solution.
Dave
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> http://www.dtep.com/mustrust.htm
> Looks pretty kewl. Anybody use it before?
> JayC