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Thread: Favorite preheat temperature?

  1. #1
    Boolit Master LAKEMASTER's Avatar
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    Favorite preheat temperature?

    When preheating bullets, what temperature do you "shoot" for ?

    I've read 150 to 300 so i really don't know.
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  2. #2
    Boolit Man
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    I think most coatings melt at 200 degrees; so 150 is what I do.


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  3. #3
    Boolit Master fredj338's Avatar
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    I preheat to 400F, that is the baking temp.
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  4. #4
    Boolit Man
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    Preheat= so the powder adheres a bit better to the bullets compared to coating room temperature bullets.
    Preheat to 400 degrees?
    I would like to see bullets preheated to 400 degrees then coated with powder, then baked at 400 degrees.
    Please show us those bullets.

  5. #5
    Super Moderator & Official Cast Boolits Sketch Artist


    RP's Avatar
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    I set those in the oven to warm them up it was set at 400 for baking pulled them out and sprayed them then back in the oven to cook now you have see those bullets
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  6. #6
    Boolit Man
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    Understand how u heated.
    Definitely not preheated to 400


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  7. #7
    Boolit Man
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    My concern is a new coater tries heating to 400 then coating or attempting.


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  8. #8
    Boolit Master LAKEMASTER's Avatar
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    Preheating lead bullets before tumbling them in powder
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  9. #9
    Boolit Master
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    I shoot for 120 - 150 F when I want to do my ASBB HF Red with high humidity.

    Above around 150 F lots of nonmetallic stuff starts being affected. This is also about the limit for an average person to hold their fingers on a hot surface.

    Anything where all of the boolits actually get "very warm" (say 120 F or above) seems to the good enough to counteract the humidity and allow a goood coating with a normal amount of swirling / shaking.

    And FYI, it worked great last Sunday when I did a batch of 500 Lee 120 TC 9mm boolits.
    Last edited by P Flados; 11-07-2017 at 11:10 PM.

  10. #10
    Boolit Master bbogue1's Avatar
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    I found that while heating the oven I can use the heat during the preheat time to my advantage. When the oven is about 10 degrees above room temp I put the bullets in for 20-30 seconds and pull them out. I bare handed touch them and if they are not too hot to touch I dump them into the powder coat. Once the oven is up to temp (400 degrees) then 10-12 seconds does the trick. For warming the Bullets go into the pan without anything separating them from the metal pan. For baking I use a silicone sheet. One layer of bullets with a little space between if possible. Oven heat controlled by a PID.

  11. #11
    Boolit Master OS OK's Avatar
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    Quote Originally Posted by RP View Post
    I set those in the oven to warm them up it was set at 400 for baking pulled them out and sprayed them then back in the oven to cook now you have see those bullets
    I think...He thought...they meant...that the 'preheated' boolits were brought up to 400*F. before they were put into the powder, that obviously would have turned into a big glob of gunk...

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  12. #12
    Boolit Master
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    I never preheat. Here in the desert SW, we don't get cold enough or wet enough to worry about it.

    I would never to above 130 or so. Any higher the powder might clump in globs. If ESPC'ing you could heat a little more because the gun puts on an even coat.

    But I get perrrrrrrfect coats without any heating at all. Do whatever floats your boat.....just do not get them too hot.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
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