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Mig + Brakecleaner = Phosgene (DEADLY)

Discussion in 'Hangout Lounge' started by seaguy, Nov 18, 2009.

  1. seaguy

    seaguy Member

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    I may be bringing up old news to you guys but some on here may not know of this. Striking an arc on metal that has Brake Cleaner on it can be a serious to fatal mistake. Go to the following website and read a first hand account of this.
    www.brewracingframes.com/id75.htm
     
    seaguy, Nov 18, 2009
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  2. Hillsy

    Hillsy Member

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    Just to clarify, this happened using a GAS SHIELD mig. It's the reaction from the shield gas and the brake cleaner that caused the noxious fumes.

    I use a gasless mig myself..... :wink:
     
    Hillsy, Nov 18, 2009
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  3. organizedinsanity

    organizedinsanity Member

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    Gasless mig? If you arent using gas it isnt mig (metal inert gas or GMAW) welding it is considered flux core arc welding or FCAW.

    It sucks that the poor guy learned the hard way about the possible dangers we dont even think about. I have mig welded several things after cleaning them with the same brand brake cleaner. It must have evaporated in time or the ar/co2 mix didnt react as strongly as the straight argon did with the guy. Either way I must be one lucky person and I wont do that again.
     
    organizedinsanity, Nov 18, 2009
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  4. Hillsy

    Hillsy Member

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    It's a wire feed welder using flux core. They still call them MIG welders whether you use a gas shield or flux core.
     
    Hillsy, Nov 18, 2009
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  5. Polock

    Polock Well-Known Member

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    seems it's the UV not the argon
    http://en.wikipedia.org/wiki/Phosgene

    "Chlorinated compounds used to remove oils from metals may also react under the UV created during arc welding to produce phosgene."
     
    Polock, Nov 19, 2009
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  6. Robert

    Robert Active Member

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    +1 Polock, argon is inert gang.
     
    Robert, Nov 19, 2009
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