Mark,
This info (being more specif) is correct. I have sometimes heard people
refer to metal prep as a primer and that is what I thought was your
reference. Also, I think the question turned more on how to inhibit rust
_without_ dragging out the paint equipment each time an area was finished
I don't know about your welding claim though. I have NO expertise in
welding, but everyone I know that does weld will not weld over painted
areas because it usually prevents a clean weld. Anyone?
Gerard
At 2:44 PM -0500 12/19/01, Dbcooper292@aol.com wrote:
>My understanding, which is admittedly limited, leads me to disagree. Jasco
>is stuff you put on rust to "convert" it to a black paintable surface. The
>primer I mentioned is called DP and is usually followed by a number, such as
>DP90. The number, I believe, indicates the tint. DP is a ppg product and is
>a primer. The difference between it and other primers is that most others
>are porous, and therefore not a rust-proof. DP is epoxy based. It's well
>suited to acid dipped or other very clean surfaces because in addition to
>protecting them indefinitely regardless of storage conditions (including
>underwater) it does not stand in the way of, and in fact improves, the
>adhesion of paint, filler, or even weld, all of which can be applied without
>removal of the DP. I don't think it's an acid of any type.
>
>
>
>
>
>It's phosporic acid priced a 2 or 3 times what you can buy it at Home Depot
>or other hardware suppliers as Jasco Prep 'N Prime.
>
>Gerard
>
>At 10:30 AM -0500 12/19/01, Dbcooper292@aol.com wrote:
>>in reference to bare metal rusting a friend of mine with a body shop told me
>>of a product made, I think, by PPG. It's a clear spray primer that will
>>protect bare metal indefinitely and doesn't need to be taken off before
>>welding, filler application, or further spraying. If you need it I'll call
>>him for the name of it.
>>
>>Mark
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