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Polls Are the fumes from (soldering) flux harmful?
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  • Author Author: tariq.ahmad
  • Date Created: 27 Mar 2019 11:28 PM Date Created
  • Last Updated Last Updated: 11 Oct 2021 2:58 PM
  • Views 5557 views
  • Likes 0 likes
  • Comments 12 comments
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Are the fumes from (soldering) flux harmful?

To go along with the question on solder types, what about the fumes created from the flux? Most of the smoke you see while soldering is the flux burning away. Is that smoke or the fumes included in it harmful? Let me know what you think below.

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Top Comments

  • dougw
    dougw over 6 years ago +9
    My fume extractor road test explains a bit about the hazards of solder fumes: https://www.element14.com/community/roadTestReviews/2606/l/fume-extraction-unit-for-soldering-applications-review#commen… I…
  • Gough Lui
    Gough Lui over 6 years ago in reply to dougw +8
    I too sometimes get that ... but not all the time. At one stage I thought I was like a cat-lover with a cat allergy ... telling me to go do something else. Now, I find it changes depending on a number…
  • Gough Lui
    Gough Lui over 6 years ago +6
    Well, if you look at the MSDS of the nearly ubiquitous Multicore 309 solder which element14 also sells, the sheet says the following: The flux fumes given off during reflow will irritate the eyes, nose…
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  • jomoenginer
    jomoenginer over 6 years ago

    Lead free or Leaded:

    Short answer: Yes!

    Long answer: Yessssssssssssssssssss!!!!!

     

    However, there were the good old days when folks would smoke at the bench while soldering. It was like the double barrel approach.   Anyone with an old bench in a lab will more than likely still have the cigarette burns still on it.

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  • jomoenginer
    jomoenginer over 6 years ago

    Lead free or Leaded:

    Short answer: Yes!

    Long answer: Yessssssssssssssssssss!!!!!

     

    However, there were the good old days when folks would smoke at the bench while soldering. It was like the double barrel approach.   Anyone with an old bench in a lab will more than likely still have the cigarette burns still on it.

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  • Jan Cumps
    Jan Cumps over 6 years ago in reply to jomoenginer

    jomoenginer  wrote:

     

    ....   Anyone with an old bench in a lab will more than likely still have the cigarette burns still on it.

    Those might be solder iron burns. They were there in my school’s lab where smoking has never been alowed.

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