UHMWPE

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Thread: UHMWPE

  1. #1
    Join Date
    Feb 2013
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    Black Country, England
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    UHMWPE

    Anyone know if there's a way to identify UHMWPE from other plastics? If you were given the run of a store of offcuts is there any quick / simple way of identifying the above?

    A mate of mine does factory clearance and has a multitude of bar ends, but what are they ? Some have colour coding marked on the ends but this means nothing to me.

    Any ideas men?

    Cheers

  2. #2
    Join Date
    Jun 2007
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    Cayley, Alberta
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    Probably could weigh them and measure the volume. Not the best solution, but given that uhmw is quite a bit more dense than the others....

  3. #3
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    Quote Originally Posted by Beeman View Post
    Probably could weigh them and measure the volume. Not the best solution, but given that uhmw is quite a bit more dense than the others....
    Yeah, I had thought of that. I know it's denser than other Polyethylenes but will the weight per c/i be much different to say Nylon (or other plastics)?

  4. #4
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    Not sure. There might be a chart out there in a google land that might have the two densities on there. Other than that, i guess it'd come down to doing some trails.. like a scratch test or a burn test.

  5. #5
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    Quote Originally Posted by Beeman View Post
    Not sure. There might be a chart out there in a google land that might have the two densities on there. Other than that, i guess it'd come down to doing some trails.. like a scratch test or a burn test.
    Already googled identifying it and just came up with specs and chemical analysis, and I'm certainly no chemist. Bit of a bummer really as I may have a cheap source for it.

  6. #6
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    Mar 2013
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    One of the mechanical guys from a place I used to consult had a great plastic identifying chart which I copied and I'm sure have save somewhere. It had a flow chart that covered the feel, flame test reaction, density, and other things that at the end helped you determine what type of plastic sample you had. I realize this does you no good, other than to know the information you want is out there and if you dig enough you can find it.

  7. #7
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    Feb 2013
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    Quote Originally Posted by phabib View Post
    One of the mechanical guys from a place I used to consult had a great plastic identifying chart which I copied and I'm sure have save somewhere. It had a flow chart that covered the feel, flame test reaction, density, and other things that at the end helped you determine what type of plastic sample you had. I realize this does you no good, other than to know the information you want is out there and if you dig enough you can find it.
    Never thought of googling a flow chart. You're a star, found a chart and can now do a rough ID on site to make sure it PE then a further test at home to make sure it's uhmw.

    Thanks for that buddy

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