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LCD Projectors

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  1. #1
    savage85 started this thread.
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    LCD Projectors

    I have about 50 LCD projectors to tear apart so far I've done about 14 and the cases are magnesium! That's a first for me and I just wanted to share with everyone. I'm calling my yard tomorrow to see if i can get a better price than aluminum.





  2. #2
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    How can you tell what they are made of?

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    Quote Originally Posted by Phantoms001 View Post
    How can you tell what they are made of?
    I think theres a different 'Ting' sound made when you flick it with a finger, higher pitched. although...

    I saved up a sack of what I was sure was magnesium, by the 'ting' it made & then one day decided to check by chucking it into a fire, expecting it to burst into flame & sparks.
    It didn't.

    So the scrap dealer got 2 sacks of very light aluminium.....
    ---------------

    You can check between Ali & Magnesium by dropping a drop of HCL acid onto the metal, it should visably react with Magnesium & not much of a reaction with Aluminium. (hope thats right)
    Also, I notice sometimes on the casting that they include the letters Mg or Al inside a circle. Sorta like they do with plastics.

    What I though was Magnesium looked like diecast metal, a older greyish colour, but it was lighter than Ali.

    It makes sense the projectors would be Magnesium, have to be solid, have to be screwed to the ceiling & have to hold the weight of the insides, while also being very very warm.
    Last edited by eesakiwi; 02-11-2013 at 12:29 AM.

  4. #4
    savage85 started this thread.
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    It's marked Mg

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    savage85 started this thread.
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    Just called my yard and they told me 45 cents a lb. Looks like it's going in with my aluminum. 70 cents is better than 45 cents lol

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    You get 70 cents a pound for aluminum? Wow that seems high.
    Made in China, Recycled in the Republic of Texas!

    "When the mind fails, brute force prevails" - CTSSolutions

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    I am getting .75 for extrusion right now, but my buyer would pay cast for that.

  8. #8
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    Quote Originally Posted by eesakiwi View Post

    You can check between Ali & Magnesium by dropping a drop of HCL acid onto the metal, it should visably react with Magnesium & not much of a reaction with Aluminium. (hope thats right)
    Al will react violently with HCl so don't throw a bunch in at once. Oxidised Al (alumina) will not react. Al will not react with nitric on any large scale but slowly over time or with heat it will react and ware it away. I had a pot do that last week with nitric in it. It lasted quite a while but it got thin and sprung a leak.

    Eric
    I buy Tantalum Capacitors and offer other services. Check out my thread for more info.

    http://www.scrapmetalforum.com/scrap...-cap-more.html

    http://recycletantalumcapacitors.com/

  9. #9
    jghilino's Avatar
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    lets eee some pictures of the boards and gold you have found in them, im curious as ive never taken one appart, everytime i get one in it has more value as a nonworking parts unit than scrap so ive never had a chance to process one, the blubs are worth a small fortune if they are still good also
    I buy and sell all types of scrap and escrap. I buy specialty and hard to sell escrap. I buy resale items. PM me or contact me at jghilino@hotmail.com
    I AM ACTIVELY BUYING ESCRAP OF ALL TYPES. BOARDS, RAM, CPUS AND MUCH MORE

  10. #10
    savage85 started this thread.
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    This is basically whats inside an lcd projector minus the plastic and glass

    Peripheral Boards which I can sell on board sort for 2.25/lb



    And these are lowgrade/midgrade so depending on where I sell them or what I do with them I can get between .15 and .45 cents/lb
    There is some fans in there too I can get motor price .30/lb

    Last edited by savage85; 02-12-2013 at 12:10 AM.

  11. #11
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    You might want to check with some other buyers on this forum, as those "Peripheral Boards" pictured could get you more than $2.25...
    ~You have to start somewhere to get anywhere~

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  13. #12
    savage85 started this thread.
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    Any offers? Lol


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