[Shop-talk] Metal cleaner for paint prep

[Donald H Locker]

Yep; looks like 2-Butoxyethanol (EGME) is no longer used - it has
unhealthy side-effects. Nyco has switched to 3-hydroxybytyrate; Simple
Green now uses Ethoxylated Alcohol; Fantastik is off to [something else]
and 409 uses lauryldimethylamine oxide for their surfactant.

Donald.
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On 2020-06-15 12:16 p.m., Bob Spidell wrote:
> Thanks for the replies, guys. The gate was fabbed by a friend who works
> for me sometimes (he's a garage door contractor). It's raw steel, so I
> think I'll go with an off-the-shelf degreaser and maybe an acetone
> follow-up (prob go with the Klean-Strip). It's gonna be a rattle-can
> paint job, so nothing fancy.
> 
> I checked a few products with 2-Butoxyethanol didn't see any
> products--with labels I could see--containing it. It appears the
> environmentalists might have taken issue with it.
> Bob
> 
> On 6/14/2020 9:42 PM, Brian Kemp wrote:
>> Bob - Since it is a new gate you had built, can you ask the supplier
>> what they recommend?  I'd start with your favorite cleaner/degreaser
>> then use a phosphoric acid "metal prep" product.  I did this on a
>> second hand roll bar that was a bit rusty then sprayed with an epoxy
>> paint.  Still looks good after 20+ years.
>>
>> Here is a sample product that looks like what I used:
>> https://www.homedepot.com/p/Klean-Strip-1-Gal-Concrete-Etch-Metal-Prep-Rust-Inhibitor-GKPA30220/100406369
>>
>> or
>> https://www.lowes.com/pd/Klean-Strip-Concrete-and-Metal-Prep-1-GAL/1001456348
>>
>>
>> Note that if the iron was galvanized, you have different directions. 
>> Here is one of the search returns on painting galvanized metal:
>> https://www.dunnedwards.com/professional/painting-contractors/under-the-lid/painting-galvanized-steel
>>
>>
>> Brian
>>
>> On 6/14/2020 1:09 PM, Bob Spidell wrote:
>>> Listers,
>>>
>>> I've had a new iron gate built for our ranch. I'll paint it using
>>> Rustoleum self-etching primer and enamel; what is the List wisdom on
>>> the best prep/cleaner: acetone, brake cleaner, lacquer thinner, etc.?
>>> I know they'd all work pretty well; any favorites? Drawbacks? Note
>>> the iron was protected with some sort of oil/grease/wax.
>>>
>>> TIA,
>>> Bob
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