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Powder coating

Posted: Mon Sep 10, 2018 6:53 pm
by iron369
I’ve been messing around with casting my own bullets lately. I’d really like to powder coat them so I don’t have to worry much about the hardness of my lead. I’ll get more into making specific lead recipes as I get more experience. I got some powder in today so I thought I’d coat a few bullets that I bought in a bin of scrap lead. Coating went fairly well. I thought I might need two coats, but since it was my very first attempt and on bullets I wasn’t going to shoot anyway, it didn’t matter too much how they turned out. I found out either 450 degrees in my toaster oven is much hotter than it is supposed to be or the bullets had a lot of tin in them. Maybe in a day or two I’ll try out my wheel weight lead and see how that holds up or if the toaster oven melts them too. Image

Re: Powder coating

Posted: Mon Sep 10, 2018 7:17 pm
by samb.
try 400* what was your bake time?

Re: Powder coating

Posted: Mon Sep 10, 2018 8:59 pm
by iron369
It was supposed to be 18 minutes. I removed these after 12.

Re: Powder coating

Posted: Mon Sep 10, 2018 9:47 pm
by Vividia
might need to go to a kitchen store, or the internet, and invest in an oven thermometer. It's rare for ovens to actually heat to the temp you selected, they are often high or low. Mine is on the high side. At least with an oven thermometer you can adjust to what you really want.

Re: Powder coating

Posted: Mon Sep 10, 2018 11:30 pm
by kyswede
Toaster oven thermometers are usually 50 degrees off. Go to Wal-Mart and buy an oven thermometer for $5. I cure my PC bullets at 375 degrees for 15 minutes. I allow about 10 minutes for bullets to get up to temp before starting timer.

Re: Powder coating

Posted: Tue Sep 11, 2018 7:45 am
by iron369
I will get a thermometer. I have one for my casting pot. I set the temp by the powder manufacturers recommendation. It said 450 for 18 minutes. It was a brand new toaster oven I bought just for powder coating. It still shouldn’t be hot enough set at 450 to melt lead. If it was a little higher than the 450 tin would melt though. I’ll get it figured out. I was just posting my failure and will probably post more experiments as I try different powders and such. Lots of trial and error to come.

Re: Powder coating

Posted: Thu Nov 29, 2018 9:51 pm
by iron369
New color today. Image
It makes nice projectiles. Image

Re: Powder coating

Posted: Thu Nov 29, 2018 10:00 pm
by ssracer
Is that UN helmet blue? Lol


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Re: Powder coating

Posted: Fri Nov 30, 2018 8:02 am
by iron369
ssracer wrote:Is that UN helmet blue? Lol


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Some powder manufacturers call it Ford Light Blue. The guy I get it from calls it Carolina blue.

Re: Powder coating

Posted: Tue Jan 08, 2019 9:59 pm
by iron369
I think I’ve given my last attempt at translucent copper pc. I’m tired of casting decent bullets and just remelting them because I don’t like them. They seem coated well enough for the purpose for which the powder was bought, but it’s uniform. Like it gels and flows into a clump. They look pretty evenly coated when dry, but not so much after baking. This is a batch of 180ish. Image
Image

Re: Powder coating

Posted: Wed Jan 09, 2019 10:08 am
by PDM
iron369 wrote:
ssracer wrote:Is that UN helmet blue? Lol


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Some powder manufacturers call it Ford Light Blue. The guy I get it from calls it Carolina blue.
That’s not for light blue. It’s definitely NC blue

This is Ford light blue

Image

Re: Powder coating

Posted: Wed Jan 09, 2019 10:09 am
by PDM
iron369 wrote:I think I’ve given my last attempt at translucent copper pc. I’m tired of casting decent bullets and just remelting them because I don’t like them. They seem coated well enough for the purpose for which the powder was bought, but it’s uniform. Like it gels and flows into a clump. They look pretty evenly coated when dry, but not so much after baking. This is a batch of 180ish. Image
Image
Post-apocalypse petina

Re: Powder coating

Posted: Sun Jan 13, 2019 4:49 pm
by iron369
I learn everything the hardest way possible. ImageImage

Re: Powder coating

Posted: Sat Jan 26, 2019 8:14 pm
by iron369
Tried out a new color tonight. It is kinda ugly, but coated really well. About 250 225gr 30cal lead cast bullets. Image

Re: Powder coating

Posted: Sat Jan 26, 2019 8:26 pm
by PDM
Those look good. Too bad the color. Lol

The red ones look like they’ve already been used

Re: Powder coating

Posted: Sun Feb 03, 2019 6:21 pm
by iron369
Powder coated today a batch I casted last night. I ran a batch in blue. Then tumbled a batch red, but really didn’t have enough red to get good coverage so I added some of the leftover blue. Kinda like it. Image

Re: Powder coating

Posted: Fri Mar 22, 2019 9:54 pm
by iron369
I’m not terribly impressed with the latest color I bought. It’s a useable coating and passes the smash test, but the color is pretty blotchy. As much work as this whole process is, I want great results. I’m probably going to play around with application before giving up. Image