Which adhesive?

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  • Salty
    Senior Member
    • Feb 2006
    • 690
    • Akron, Ohio
    #1

    Which adhesive?

    What could I use to glue sandpaper to a piece of PTFE plastic?
    I made a rail coping sled using a piece of this plastic 1/4" thick. It works real good at sliding on the router table but it could use some help at holding the stock. I still need to get a push down clamp and the addition of the sandpaper would be great.
    Any ideas?
    Would something with PSA work?

    Thanks.
    Salty
    Why doesn't the word 'planing' show up in my computer spell check?
    Tags: None
    • LCHIEN
      Super Moderator
      • Dec 2002
      • 22061
      • Katy, TX, USA.
      • BT3000 vintage 1999
      #2
      PTFE is teflon. Going to be hard to get something to stick to that reliably.

      http://en.wikipedia.org/wiki/PTFE
      Last edited by LCHIEN; 03-31-2006, 07:35 AM.
      Loring in Katy, TX USA
      If your only tool is a hammer, you tend to treat all problems as if they were nails.
      BT3 FAQ - https://www.sawdustzone.org/forum/di...sked-questions

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        • Tom Slick
          Veteran Member
          • May 2005
          • 2913
          • Paso Robles, Calif, USA.
          • sears BT3 clone
          #3
          scuff the surface well and try PSA or a spray glue like 3M super 77.
          Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison

            Comment

            • Salty
              Senior Member
              • Feb 2006
              • 690
              • Akron, Ohio
              #4
              Wait a minute. In my effort to seem smarter than I really am, I may have used the wrong term for the plastic. When I saw that LGHIEN refered to PTFE as teflon, I realized that I may be wrong there so I will check on that today. It is refered to as a polymer and came from here.
              http://www.dxengineering.com/Parts.a...DXE%2DMMP%2DP3

              Sorry all...I'll get back to you on that!

              Salty
              Why doesn't the word 'planing' show up in my computer spell check?

                Comment

                • scorrpio
                  Veteran Member
                  • Dec 2005
                  • 1566
                  • Wayne, NJ, USA.
                  #5
                  "Material: black polymer plastic" Wow, talk about being descriptive. It's like lumber yard selling wood, and putting 'wooden wood' tags over all their products.

                  It could be PTFE, could be HDPE, could be UHMW-PE. (btw, I am still not sure if HDPE and UHMW-PE are not the same thing).

                  Either way, these are all self-lubricating. You'll need something that can dissolve this kind of plastic in order to glue anything to it.

                    Comment

                    • sacherjj
                      Senior Member
                      • Dec 2005
                      • 813
                      • Indianapolis, IN, USA.
                      • BT3100-1
                      #6
                      I would second the 3M 77 Spray idea. I've bonded with various plastics pretty well. Scuff the surface with a moderate sandpaper (120-200) and follow the directions on the bottle. Great stuff.
                      Joe Sacher

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                        • JimD
                          Veteran Member
                          • Feb 2003
                          • 4187
                          • Lexington, SC.
                          #7
                          I did not find this to be ideal but I used left over skid resistant tape for my boat trailer on one coping sled. It has a pretty strong adhesive on the back to stick to steel surfaces (does not need to penetrate to hold). What was not ideal was the fact that it had a little bit of give to it. It helped hold things in place pretty well.

                          What about self adhesive sandpaper? It comes in rolls or individual pieces for sanders that do not have hook and loop plates on them.

                          Jim

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