Anti Fog for Welding Helmet
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  1. #1
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    Jun 2009
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    Anti Fog for Welding Helmet

    What are some alternatives for reducing the fogging of the lens on the inside of my welding helmet?

    I am currently using Rain X un-diluted.

  2. #2
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    Re: Anti Fog for Welding Helmet

    We sell some stuff at the ski hill I work at to keep your ski/snowboard goggles from fogging up. Figure that is probably a better bet than rain-x as it was designed for plastic lenses. Can't remember the brand offhand but it works well.

  3. #3
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    Re: Anti Fog for Welding Helmet

    a snorkel.................
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  4. #4
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    Re: Anti Fog for Welding Helmet

    Quote Originally Posted by rsohc View Post
    What are some alternatives for reducing the fogging of the lens on the inside of my welding helmet?

    I am currently using Rain X un-diluted.
    Yeah, isn't that a pain? I tried spit like I use to do with swim gogles. My next idea is to take an old 12v automotive defroster blower, attach a 11/2" hose to it and force fresh air under the helmet. I think that would also keep the welding fumes away to.
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  5. #5
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    Re: Anti Fog for Welding Helmet

    I guess this is a problem in extreme cold climates only? I never have my hood lens fog up. I do get fogging on my safety glasses when I try to wear hood, respirator and safety glasses all at same time. The problem is the respirator. I can wear hood and respirator, or hood and safety glasses, without fogging. Wearing all 3 is a sure recipe for fogging.
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  6. #6
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    Re: Anti Fog for Welding Helmet

    get a speedglas mask with adflo

  7. #7
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    Re: Anti Fog for Welding Helmet

    The fan idea would work but might be an improvement if you use a little computer fan and a small battery. Guy at school had this to keep the smoke from under his hood. Glued in a switch too that toggled it off when he flipped up the hood. Pretty slick. Fan was at the top of the helmet,over his head.
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  8. #8
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    Re: Anti Fog for Welding Helmet

    Quote Originally Posted by DesertRider33 View Post
    I guess this is a problem in extreme cold climates only? I never have my hood lens fog up. I do get fogging on my safety glasses when I try to wear hood, respirator and safety glasses all at same time. The problem is the respirator. I can wear hood and respirator, or hood and safety glasses, without fogging. Wearing all 3 is a sure recipe for fogging.
    No not here at this time of year. I guess you must have a differnt style hood. Probably a real good one. I'm just a hobby welder. I have a cheap flip up with the standard glass. I have to hold my breath half the time to keep it from foging.
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  9. #9
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    Re: Anti Fog for Welding Helmet

    The advice I like the best is to keep the hood on before/between welds. Even when it is in the 40's (F) in the garage, it seems that the top of my head is warm enough to keep fog at bay when my breath hits the window. YMMV

  10. #10
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    Re: Anti Fog for Welding Helmet

    Stop breathing.

  11. #11
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    Re: Anti Fog for Welding Helmet

    Quote Originally Posted by weregeek View Post
    The advice I like the best is to keep the hood on before/between welds. Even when it is in the 40's (F) in the garage, it seems that the top of my head is warm enough to keep fog at bay when my breath hits the window. YMMV
    40's ?? that's a nice warm spring day here.... go from outside, at -23 (F) to inside at 80 (F) .... talk about fog lol
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  12. #12
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    Re: Anti Fog for Welding Helmet

    I purchased anitfog spray from Harley Davidson store near here. Don't know how well it works though.

  13. #13
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    Re: Anti Fog for Welding Helmet

    i use the scott brand anti-fog wipe, it kicks azz!

  14. #14
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    Re: Anti Fog for Welding Helmet

    Quote Originally Posted by theonlybull View Post
    40's ?? that's a nice warm spring day here.... go from outside, at -23 (F) to inside at 80 (F) .... talk about fog lol
    You said fog, not frost. at -23 (F) I would think that additional heat would be a huge plus.

  15. #15
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    Re: Anti Fog for Welding Helmet

    [QUOTE=rsohc;427124]What are some alternatives for reducing the fogging of the lens on the inside of my welding helmet?

    I'm working on a project car and when I have to assume a contortionist position under the car, it typically takes about 2 seconds before my glasses and the helmet shield fogs up. Something about welding UP, body heat and sweat, I guess. I tried FOUR different anti-fog products that all GUARANTEED to keep glasses and face shields from fogging up. They're ALL crap. They made NO difference whatsoever. They didn't even delay the fogging!
    So I installed two small, 12 volt "muffin fans" onto my TIG helmet. They blow fresh air at my temple area and behind my glasses and the helmet shield. VIOLA! The fogging issue is GONE.
    Now I'm wondering how it is that the fogging issue isn't a common enough problem that the industry hasn't been producing these things for years!
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  16. #16
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    Re: Anti Fog for Welding Helmet

    Use the following Digikey parts or similar:
    Qty. (1) 271-2683-ND AC/DC, 12VDC, 10W Power Adapter
    Qty. (2) 259-1353-ND 40x40x20, 12VDC Sunon Fan
    Qty. (2) 259-1623-ND Fan Guard
    Qty. (1) EG1889-ND Rocker Switch

    I had a couple of fans that I’d saved from some old electronic devices that had malfunctioned and been trashed. I like the Sunon “DR MagLev” fans because they are very quiet. Put the helmet on and lower it in place. Mark the helmet indicating the sides of your eyes or where the hinges of your glasses are. At those places, drill 1-3/8” holes (or whatever diameter your fans are) using a Unibit (or similar). Place the fans over the holes and mark the helmet for the fan mounting holes & then drill them for #8 machine screws. Mount the fans with the hardware that suits you. The rocker switch needs to also be mounted on either side of the helmet, near a pivot. Wire the fans, routing either the positive or negative through the switch and leaving a pigtail coming off the helmet near the pivot. You’ll probably want some sort of dismountable connector between the helmet and the power adapter, so you can use the helmet without the adapter when you don’t need it.

  17. #17
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    Re: Anti Fog for Welding Helmet

    Quote Originally Posted by greenbuggy View Post
    We sell some stuff at the ski hill I work at to keep your ski/snowboard goggles from fogging up. Figure that is probably a better bet than rain-x as it was designed for plastic lenses. Can't remember the brand offhand but it works well.
    Cat Crap
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  18. #18

    Re: Anti Fog for Welding Helmet

    Im completely new to welding and this, is going to sound crazy as hell but try shaving cream. You can test it the next time you take a shower. Take some and rub it o your mirror before you turn on the shower, rub it in till its crystal clear and then take your shower. It works for me but then again I live in Georgia.

  19. #19
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    Re: Anti Fog for Welding Helmet

    I too use Rain-X from the local auto parts store. It works on the clear safety glasses underneath the helmet as well.
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  20. #20
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    Re: Anti Fog for Welding Helmet

    antifog could be as simple as breathing thru your nose rather than the mouth works for me
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  21. #21
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    Re: Anti Fog for Welding Helmet

    I set up a small fan right behind me. I use it on a heavy setting when stick welding to keep my head out of the fumes. When TIG or MIG welding, I put it on a lower setting and aim it up away from my work. Make sure its hitting you right in the back of the head..no fogging then.
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  22. #22
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    Re: Anti Fog for Welding Helmet

    The trick is to get the inside of your hood hotter than your head. Even the exhaust pipe of an engine drive welder works too.
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  23. #23
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    Re: Anti Fog for Welding Helmet

    Quote Originally Posted by CEP View Post
    The trick is to get the inside of your hood hotter than your head. Even the exhaust pipe of an engine drive welder works too.
    That is a unique idea. But I think my little fans will be more comfortable. :-)

  24. #24
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    Re: Anti Fog for Welding Helmet

    Maybe CEP didn't explain himself. The first attack against fogging should be clean lenses and to preheat your helmet whenever not on your head. Set it in front of a halogen or on top of a trouble light.
    Last edited by OldSparks; 12-14-2015 at 09:07 PM.

  25. #25
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    Re: Anti Fog for Welding Helmet

    Quote Originally Posted by theMucker View Post
    That is a unique idea. But I think my little fans will be more comfortable. :-)
    Thanks, OldSparks. For what it's worth, I not only cleaned my glasses and helmet faceshield multiple times, I also tried 4 different anti-fog products. Preheating the helmet sounds like a good solution at times, but how practical is it? On the day I was struggling with fogging glasses and shield, I was under the job, welding on my back and using my knee to operate the pedal. It seems that while straining in an uncomfortable position, the helmet was catching body heat & moisture as it rose from my head. Now I just grab the helmet with the fans, plug in the 12v power supply and go for it.

    My wife thinks I should have patented the design and made money on it. I just wanted to pass on the idea, so other welders who've experienced the frustration of a fogging faceshield, might benefit from the simple fix. And all industry would have had to do is to change a few things to get around the patent. Truth to tell, I'd like to see Lincoln or Miller run with the idea and maybe do a better job of it. Like integrating the fans into the helmet's molded shape and maybe powering them with the same solar panel that powers the auto-darkening shield.

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