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  • How to glue Acrylic

    I need to join some acrylic parts to acrylic (Plexiglas) what is the best glue to use? Acetone, grazie glue or??
    Hilmar

  • #2
    Originally posted by h12721
    I need to join some acrylic parts to acrylic (Plexiglas) what is the best glue to use? Acetone, grazie glue or??
    Hilmar
    they make a glue that is specially made for it.

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    • #3
      "Rez-n-Bond" is what I used when I was doing a lot of plexi-glas work. Applied neatly it is almost invisible.

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      • #4
        X39, where do you get it?
        Hilmar

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        • #5
          Google it, any of the larger plastic supply houses should carry it. Total Plastics comes to mind. Edited to add- if you can acquire some hypodermic syringes they make very good applicators for this product as it is a liquid.
          Last edited by x39; 11-04-2007, 11:35 PM.

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          • #6
            Acrylic solvent cement
            By
            Craftics, Inc.

            Or by its generic name:
            Methylene chloride

            Will weld your parts together within seconds!

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            • #7
              We use the Weld-On acrylic cements.

              The #3 is water-thin and will wick between parts already clamped together and sets up quickly. A plastic syringe and needle makes a good dispenser.

              The #16 is thick and goes on with a acid brush.

              We use the #4052 on PVC,ABS, etc.



              Weld=On
              Jon Bohlander
              My PM Blog

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              • #8
                Been many years since high school metal/plastics shop class where acetone was what was used?
                "The men the American people admire most extravagantly are the greatest liars; the men they detest most violently are those who try to tell them the truth." H. L. Mencken

                "All truth passes through three stages. First, it is ridiculed, second it is violently opposed, and third, it is accepted as self-evident."

                "When fear rules, reason and logic are ruled out."

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                • #9
                  The methylene chloride based solvent cements if augmented with dissolved acrylic will wick under prepared and placed joints and make water clear welds.

                  The "thicker" cements can be placed and the joint assembled.

                  I used to assemble joints separated by .005" dia wires and a syringe to feed the augmented stuff in, count to 30 and pull the wires out, while lightly pressing the joint home.

                  The customer always asked how do you do that, (get a long joint with no bubbles or crazing).

                  The secret was, i MADE a screw feed for the syringe, that I could work with one hand. Kinda handy for putting down the right amount, had to be enough but no more.

                  Good luck Ag

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                  • #10
                    MEK (methylethylketone) will work, but not any better than the solvent the plastics suppliers sell.

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                    • #11
                      Methylene chloride works, but put simply it's a health hazard. It also has an annoying habit of dispensing itself out of the container after awhile. You come back to what you think is a half bottle, and it's gone. Keep that in mind as you're using and storing it. I just checked my bottle- there is some left in it. I guess the cap is on pretty tight.

                      I think the idea of the augmented mc is good- I may have used that as one of the products in the Weld-on line, but I don't know. Maybe that #3 is such a product. I've used the #16 and wasn't particularly impressed with it.

                      At one point I was getting better results with mc by brushing some on the cut edge before assembling parts for further welding. It dries so fast, but it seemed to prep the edge to better accept the mc being wicked into the joint.
                      I seldom do anything within the scope of logical reason and calculated cost/benefit, etc- I'm following my passion-

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                      • #12
                        Chloroform, but be careful...

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                        • #13
                          For those of you who are hard of hearing I want to be sensitive to your plight like ProGunOne!! I learned a lot from this thread.

                          Sorry, I'm horse. I bought a pile of plexiglass at a hamfest last summer with intentions of learning how to glue it.

                          BTW, ran across this site while following some links searching out Rez N Bond:
                          http://www.totalplastics.com/about_us/downloads
                          Last edited by Your Old Dog; 11-05-2007, 07:13 AM.
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                          • #14
                            I wish you well but be careful using solvent glue on old plastic as it has a tendency to craze.
                            I think as long as the material is fairly new then it should glue OK.

                            Peter
                            I have tools I don't know how to use!!

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                            • #15
                              Originally posted by ptjw7uk
                              I wish you well but be careful using solvent glue on old plastic as it has a tendency to craze.
                              I think as long as the material is fairly new then it should glue OK.

                              Peter
                              Thanks for the heads up. I would have not figured that age could affect it.
                              - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                              Thank you to our families of soldiers, many of whom have given so much more then the rest of us for the Freedom we enjoy.

                              It is true, there is nothing free about freedom, don't be so quick to give it away.

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