[R-390] Questions about using a Lacquer-Stik(r)

[Barry]

Thanks, Tom.  I like the idea of the plastic razor blades for that.  Good tip.

I get the Lacquer-Stik tomorrow so I can try this over the holiday weekend.  I do hope it works out.

Thanks again,
Barry - N4BUQ

----- Original Message -----
> From: "thoyer" <thoyer1 at verizon.net>
> To: "Barry" <n4buq at knology.net>, "jkharvie" <jkharvie at verizon.net>
> Cc: "R-390 Mailing List" <r-390 at mailman.qth.net>
> Sent: Tuesday, July 2, 2024 7:29:12 PM
> Subject: RE: [R-390] Questions about using a Lacquer-Stik(r)

> I've had some success using a plastic straight edge razor blade when working
> with the lacquer stick and trying to remove the excess.  Followed up by q-tips
> and a light buff with a microfiber towel.
> 
> Tom
> W3TA
> 
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net <r-390-bounces at mailman.qth.net> On Behalf Of
> Barry
> Sent: Tuesday, July 2, 2024 5:25 PM
> To: jkharvie <jkharvie at verizon.net>
> Cc: R-390 Mailing List <r-390 at mailman.qth.net>
> Subject: Re: [R-390] Questions about using a Lacquer-Stik(r)
> 
> John,
> 
> This the one I ordered:
> 
> https://www.walmart.com/ip/Markal-Lacquer-stik-White-Fill-in-Paint-for-Engravi/34783848
> 
> Apparently it is "long lasting", "stays flexible", "will not rub off", etc.,
> etc.  I'm not sure if I can mimic an engraving in a spare aluminum piece but
> might try with a thin hack-saw.
> 
> Thanks for the reply,
> Barry - N4BUQ
> 
>> Barry,Given you have a lacquer-stik, i would make some test
>> applications of that material  on a piece of aluminum or steel to
>> first hand assess application, adhesion, how hard it cures, the time
>> needed, and specific chemical resistance, durability etc.I would also
>> indicate if you are going to be using the "putty", "crayon', or
>> "paint" type of laquer-stick.I looked up the name and received quite a
>> large number of products on the market.Engravers crayon is the only
>> type I have applied to my engraved panel that I over achieved with a
>> thermally-fused electrostatically applied paint.I am interested in the results.
>>   John N3JKE
>> 
>> Sent from AOL on Android
>> 
>>  On Tue, Jul 2, 2024 at 10:34, Barry Scott<72volkswagon at gmail.com> wrote:
>>  (Trying from the GMail page as the first attempt from my other email
>> account was undelivered.)
>> 
>> I'm going to attempt to use a Lacquer-Stik(r) to fill in the
>> engravings in my R390.  I've read where this product takes weeks/months to fully
>> cure.
>> Does that sound correct?  I don't mind waiting as I have a lot more
>> stuff to do for this radio but would just like to know what I'm getting into.
>> 
>> I'd also be interested in its durability.  I presume that once it
>> fully cures, it's probably fairly tough but I don't know.
>> 
>> I tried using acrylic craft paint for one small area of engravings.
>> That was a complete failure.  After letting it dry overnight, I
>> literally washed it off with soap and water and an old toothbrush!
>> Not good.  I think model car/aircraft paint might work but it might be
>> somewhat difficult to wipe clean after application and it could be
>> aggressive on the paint if there's much residue.
>> 
>> For prep, after wet-sanding the front panel down to the bare aluminum
>> and scraping out the engravings, I used Rust-Oleum self-etching
>> automotive primer followed with two light coats of Rust-Oleum satin
>> enamel.  I let that cure in the hot sun for a couple of hours for two
>> or three days in a row which seemed to have a good hardening effect
>> and reduced the out-gassing quite a bit.  Hopefully that will be durable.
>> 
>> Thanks for any comments,
>> Barry - N4BUQ
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