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Thread: Etching

  1. #11

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    "Angry Pencil" I like that.

    I'm not entirely sure what you're trying to describe. It sounds a little complex, so I wish you the best of luck.
    We all have to start somewhere. The journey is all the more impressive by our humble beginnings.

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    http://forums.thecustomsabershop.com...e-to-Ohm-s-Law for getting resistor values the right way!

  2. #12

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    I think I see what you're going to do. I'm thinking that the paint you will be using is a different color that the powder coat and will fill in the areas you dremel out. If so, that could work. However if you're trying to take off the powder coat with a Dremel to make a bare area to saltwater/acid etch, I do not recommend that... at all.

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  3. #13

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    No what i'm going to do is dremel the PC down to the bare metal (in the spot im working on) then tape off with high heat tape and paint the bare metal with acrlic paint or something else. After that i was going to bake it on with a heat gun then clear coat it. Than just remove the tape and there will be no extra PC done then what i already got in an order and no etching done.

  4. #14

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    That could work. You'll want to be careful not to overheat the powder coating. I'm not sure what temp it melts at, so watch that heat gun carefully.
    We all have to start somewhere. The journey is all the more impressive by our humble beginnings.

    http://led.linear1.org/1led.wiz for the lazy man's resistor calculator!
    http://forums.thecustomsabershop.com...e-to-Ohm-s-Law for getting resistor values the right way!

  5. #15

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    Quote Originally Posted by Silver Serpent View Post
    That could work. You'll want to be careful not to overheat the powder coating. I'm not sure what temp it melts at, so watch that heat gun carefully.
    In my (limited) research of powder coating, I've learned that most powders are thermoset polymers. The curing process (also called crosslinking) melts the powder and it cures over the course of the cure time. Once it solidifies, it will not melt again.

    Here is some good information:

    Two basic types of powders:

    Thermoset Powders - Curing or crosslinking takes place so that once cured, the coating will not remelt.

    The majority of powder coatings today are thermosetting type powder.
    Typical Thermosetting type powders are:
    Epoxies
    Acrylics
    Most polyesters


    Thermoplastic Powders - Do not crosslink and can remelt after curing when exposed to sufficient heat.

    Typical Thermoplastic powders are:
    Vinyls
    Nylons
    Fluorocarbons
    http://www.powderovens.com/powder_basics.html

  6. #16

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    Thank you for reassuring me

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