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Thread: Lexan & MEK?

  1. #1
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    Lexan & MEK?

    Ok, after reading hundreds of posts on how to "glue" lexan together, I went and bought some MEK. Well, I would like to know how exactly it works, i.e. what the heck is capilary mean and do? Oh also, where can I get an eye droper or deploying mechanism for the MEK? Any other tips related to this.

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    Well, since i got ZERO damn replies, I ended up uses Plumbers Goop. Works awesome, just messy without proper tools

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    Jesus Freak antimatter's Avatar
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    Hey, i got a reply for you.

    I don't know much about working with lexan but i have experience working with acrylic.

    Capliary action:
    If you put some cloth in some water it will "soak" and the water will move up out of the container. This is capilary action

    You don't want an eye dropper you want a squeeze bottle with a needle tip.

    Go to any plastic supplier (we have Tap Plastics here in california) and talk to them. They will know exactly what you need. When working with acrylic I bought a samm can of "Weld On #14" (i think it was #14...the number just relates how viscous it is) I also bought one of the sqeeze bottles i mentioned along with the plastic. You will also need some guides that are at 90 angles to hold up the peice while your working. This is important for straight corners.

    Usually there is some sort of paper backing on the acrylic. Only peel back about an inch from where you are going to join the two peices. Then apply some of the solvent into the cracks. You only need a little bit of the Weld On and you will be able see the two joining. Do the same to the other edge

    I would suggest practiceing on a few small peices until you get the hang of it.
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    Kewl thanks. I will keep that tip handy for my next case and try that. I definately will be planning more next time

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    Quote Originally Posted by Coeus
    Well, since i got ZERO damn replies, I ended up uses Plumbers Goop. Works awesome, just messy without proper tools
    Good grief - you really are shirty aren't you???

    I can't believe you don't know what capillary action is. Did you even try a dictionary or google and as for the eye dropper...what do you use eye droppers for?...Eye drops...Where do you get eye drops?...a pharmacy!

    No one probably answered at 1st as they thought you can easily find this out by yourself.

    Now for my contribution, the squeezy bottle that antimatter mentions might deliver too much for your needs (depending on your needs - as it may be perfect). I am imagining the type of bottle you use for acetone when doing electronics and if you have a pretty low viscosity (runny) liquid and only need small amounts an eye dropper may give you better control but will be tedious for large pieces and you may ruin your work taking too long.

    Oh yeah capillary action is also the drawing of a fluid up a narrow passage due to surface tension and adhesion. It is how trees and plants take water up from there roots (when was the last time you saw a tree with a pump to get the water up to the top?).

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    You just following me around to raz me or what?

    I am just trying to spark some interest in my topics, since they don't appear to be very interesting.

    btw, thanks for the inputs.

    Not sure I have ever seen a tree with a pump on it. I will definately try this next case I build.

  7. #7
    MySQL Error Scouse Monkey's Avatar
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    Quote Originally Posted by Coeus
    You just following me around to raz me or what?

    I am just trying to spark some interest in my topics, since they don't appear to be very interesting.

    btw, thanks for the inputs.

    Not sure I have ever seen a tree with a pump on it. I will definately try this next case I build.
    hehe yeah i am! stop being so shirty!!!!

    Yeah trees don't come with pumps as there is nowhere to plug em in.

  8. #8
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    I did 2 acrylic cases, the first one with MEK and the 2nd one with Weld-On #4. Both came out very good, but the one with Weld-on look better. It is because I has a little more experience with the 2nd one. The result is less messsssssy.
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    Quote Originally Posted by Scouse Monkey
    hehe yeah i am! stop being so shirty!!!!

    Yeah trees don't come with pumps as there is nowhere to plug em in.
    You cannot plug them in? no way..

  10. #10
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    Quote Originally Posted by MatrixPC
    I did 2 acrylic cases, the first one with MEK and the 2nd one with Weld-On #4. Both came out very good, but the one with Weld-on look better. It is because I has a little more experience with the 2nd one. The result is less messsssssy.
    Might be worth playing around with... Might redo my home PC, but need to come up with a better idea.

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