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Titanium hardware question

Discussion in 'General Vaping Discussion' started by Classic vaper, Aug 23, 2019.

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  1. Classic vaper

    Classic vaper Full Member

    Jan 12, 2019
    I obviously know that anodised titanium caps are non toxic to vape on. I recently removed the anodizing on my titanium RDA cap and now its bare titanium. Instead of re-andozing it I was thinking about changing the color by heat method instead of voltage. Would this make it poisonous? I don't know, that is why I am asking. Any help is acceptable
     
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  2. Punk In Drublic

    Punk In Drublic Vaping Master ECF Veteran

    Aug 28, 2018
    Toronto, ON
    Your titanium cap was anodized?

    Titanium Dioxide, which is toxic if inhaled, begins to form at ~600°C
     
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  3. Rossum

    Rossum Surly Curmudgeon Verified Member ECF Veteran

    Supporting member
    Dec 14, 2013
    SE PA
    I don't think there's much difference in the end result. "Anodizing" titanium creates an oxide layer, regardless whether it's done with voltage and a borax or acid bath, or with a torch.
     
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  4. Classic vaper

    Classic vaper Full Member

    Jan 12, 2019
    Yes. I removed it with a buffing wheel
     
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  5. Classic vaper

    Classic vaper Full Member

    Jan 12, 2019
    Sooo... my cap was toxic to begin with?
     
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  6. Classic vaper

    Classic vaper Full Member

    Jan 12, 2019
    Here is the before and after
     

    Attached Files:

  7. Rossum

    Rossum Surly Curmudgeon Verified Member ECF Veteran

    Supporting member
    Dec 14, 2013
    SE PA
    Nope, not as long as the oxide layer stayed attached to the titanium. All titanium will form an oxide layer. The question is whether that oxide layer is thick enough to produce an optical interference fringes that make it colorful.

    I also think the notion of titanium dioxide being "toxic" if inhaled is overblown. The NIOSH limits for occupational exposure are not particularly low.
     
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  8. dom qp

    dom qp Ultra Member Verified Member ECF Veteran

    I don't know .... about this but my Venna TI Black came heat treated. So I assume it's not toxic. And it's beautiful (colours are not edited):

    Venna_Blank.png
     
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  9. Punk In Drublic

    Punk In Drublic Vaping Master ECF Veteran

    Aug 28, 2018
    Toronto, ON
    Correction: Temperature needed to change the colour of titanium is in the 600°C to 700°C range. Titanium Dioxide begins to form at ~1200°C. Seems I got my facts backwards (drunk again!!)

    And @dom qp – that is a beautiful RDA :thumb:
     
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