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Thread: Adding sulfur to rubber - GIF

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  1. Mar 1, 2024, 03:42 PM #1
    Altair
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    Adding sulfur to rubber - GIF

    Adding sulfur to rubber.




    Previously:

    Making green tires - GIF
    Large tire mold - GIF
    Retreaded tire vacuum curing envelope - GIF
    Cutting thick rubber - GIF
    Harvesting rubber - GIF
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  3. Mar 2, 2024, 08:48 AM #2
    IntheGroove
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  4. Mar 2, 2024, 03:29 PM #3
    Ralphxyz
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    Why? What is supposedly happening? The sulfur is not covering the rubber very well.
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  5. Mar 2, 2024, 07:26 PM #4
    Frank S
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    Quote Originally Posted by Ralphxyz View Post
    Why? What is supposedly happening? The sulfur is not covering the rubber very well.
    The idea is not to cover the rubber with sulfur but to blend it into the rubber changing the matrix of the compound the rubber will be rolled folded and rolled again and again the same way you would cut dry ingredients into dough.
    Never try to tell me it can't be done
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  6. Mar 3, 2024, 11:11 AM #5
    Haroun
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    Needs heat to get it to do it's magic- https://en.wikipedia.org/wiki/Sulfur_vulcanization



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  7. Mar 2, 2024, 08:20 PM #6
    Haroun
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  8. Mar 3, 2024, 09:36 AM #7
    tonyfoale
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    I doubt that Mr. Dunlop does it that way.
    I knew that sulphur had to be added to rubber to make it useful but I imagined some complex chemical operation, I never imagined that was just a matter throwing some powdered sulphur and mixing. Simples.
    Tony Foale

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