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Old 09-09-2017, 09:40 PM   #1
islandfocus2
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Default What is a good degreaser before painting

I usually use the Brownell's TCE Degreaser before applying Aluma-Hyde II. But the damn thing is freakin' $16 a can.

So, what is a good "CHEAPER" alternative other than the Brownell's TCE Degreaser.

Is engine degreaser good? If so, what's a good brand to use.

How about Brake cleaner like "Brakleen Brakes Parts Cleaner. Is it any good?

Any suggestion is welcome. Thanks guys!
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Old 09-09-2017, 09:42 PM   #2
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Warm it up and spray it down with any brake cleaner. Get a couple of cans, don't be stingy
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Old 09-09-2017, 09:43 PM   #3
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I just use brake cleaner
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Old 09-09-2017, 09:49 PM   #4
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As Brawny mentioned, just heat it up to pull the oils out of the rivet holes and other seams, etc. spray it top down, repeat until the oil stops seeping out. Last thing you want is to complete the painting and realize you got oil under the paint after baking it.
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Old 09-09-2017, 09:51 PM   #5
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Berryman Chem-Tool. Wear eye protection, that stuff is hot.
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Old 09-09-2017, 09:55 PM   #6
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Brakecleaner works great
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Old 09-09-2017, 10:00 PM   #7
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Automotive paint chemical wash. It's around $10 a can for aeresol, and about $30 or so a gallon. Pretty much any place selling automotive paint will have it. Chain stores like O'Reilly, Autozone, advance, etc will either have it in the store or can order it. While you're at it grab you a tack cloth to wipe down once you've finished degreasing, it'll help give a more even coating.

ETA I'm guessing you're asking only about final de-greasing before paint to remove any faint traces of oil. If you're looking for heavy degreasing I use citrus based cleaner to remove the gunk, and then a good soaking with acetone to flash off the 95-99%, then final prep it with the chemical wash.
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Old 09-09-2017, 10:08 PM   #8
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Quote:
Originally Posted by islandfocus2 View Post
I usually use the Brownell's TCE Degreaser before applying Aluma-Hyde II. But the damn thing is freakin' $16 a can.

So, what is a good "CHEAPER" alternative other than the Brownell's TCE Degreaser.

Is engine degreaser good? If so, what's a good brand to use.

How about Brake cleaner like "Brakleen Brakes Parts Cleaner. Is it any good?

Any suggestion is welcome. Thanks guys!
too bad you're not local, I have a boatload of Brownell's TCE I would sell you cheap
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Old 09-09-2017, 10:11 PM   #9
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Acetone...& its cheap.
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Old 09-09-2017, 10:18 PM   #10
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+1 for Acetone

I got a scrap piece of stainless sheet metal from the scrap yard and bent it in to a tray for soaking parts.
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Old 09-09-2017, 10:22 PM   #11
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+2 for acetone

Did a 10/22 receiver with Gun Kote most recently.
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Old 09-09-2017, 11:39 PM   #12
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Thanks for all the input guys! I really appreciate it! I just finished building a 5.56 AK. I'm going to use Aluma-Hyde II in matte black. I wanted to find what other good alternatives other than Brownell's TCE Dergreaser that I can use. Thanks guys!

I'll open up a new tutorial thread in the AK74 section and post more photo's once I'm done painting.

Here's a few pix.





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Old 09-10-2017, 12:57 AM   #13
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Quote:
Originally Posted by Ram Rod View Post
+2 for acetone

Did a 10/22 receiver with Gun Kote most recently.
+3 for Acetone

**& do a rinse repeat of the cleaning and baking in the oven at 350*

- gotta bake out any oils from between parts

I made that mistake on a build I painted with Alumahyde ii (should be almost bullet proof..)

the oils seeped out from the bbl journals and made the paint peal and flake..

+
also you may want to search for "Etching Primer" in GSBY a thread a little while back there was some good tips - Tim Hogan recommended some type acid to etch the metal

Also- Build looks Nice!! ^^
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Old 09-11-2017, 07:28 PM   #14
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anyone else use acetone in their ultrasonic ?
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Old 09-11-2017, 11:15 PM   #15
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I've always used MEK to degrease parts before applying MolyResin.
Be sure to wear gloves and do it outside the fumes can be a little overwhelming.
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Old 09-12-2017, 08:36 AM   #16
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Lacquer thinner. Leaves no residue. Really any strong solvent. Brake cleaner is great too.
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Old 09-12-2017, 01:47 PM   #17
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Acetone will strip residue brake cleaner will not.
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Old 09-12-2017, 01:59 PM   #18
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How about Engine Degreaser.
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Old 09-12-2017, 02:01 PM   #19
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Not to hijack, but would you recommend same process before Parkerizing?
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Old 09-13-2017, 11:20 PM   #20
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Walmart Carb Cleaner for degreasing, pre-paint washing and cosmoline abatement. Toluene/Acetone mix.

Yes, warm before "washing" with the spray. May take more than one warm/wash cycle to get all of the oils.
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Old 09-14-2017, 12:48 AM   #21
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Isopropyl alcohol available at any grocery/Rite Aid/Wallymart. Get the 70% stuff. No residue, doesn't evap as quick as Acetone. Low toxicity, volatility. Worse thing it does is dry out your hands.

Can be put in a spray bottle. Spray it/wipe it down. Blow it out. Put parts in oven to bake out and get any last bit of oil/grease/cosmo that oozes out and wipe down again.

I like to use a heat gun while I paint. Keeps the parts warm/dry while spraying.

Make absolutely sure to warm up the paint. Use a container of warm/hot water to get the can up to temp. Shake the shit out of it and keep shaking it while painting. Get a spray handle to ease the application.

Good luck
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