Joining polymers

[vassia]

Can anyone suggest a way or a glue to join securelly PE with either PE or PTFE?
i dont want so spend too much money or waste very long time.

 

[aspearin1]

Use hotmelt glue gun to bond PE to PE, or melt the PE pieces together. You're not likely to find a glue to bond PE to PTFE.

ChemE, M.E. EIT
"The only constant in life is change." -Bruce Lee

 

[patprimmer]

3M specialise in gluing plastics like PE and PTFE. They have some success. I never did a costing, but I don't think it will be cheap

Regards

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[gciriani]

Loctite has charts for what glue to use for what type of plastic. For polyolefins I've used their type 406 with a primer 770, and the bonding was very good. They are coming out now with a one-component glue called 3300.

 

[RichGeoffroy]

Vassia:

You’ve selected probably the two hardest materials to adhere either to each other or themselves. The only adhesive that I have found that works reasonably well is epoxy. It it’s best to oxidize the surfaces to be bonded by coarse-sanding followed by flame-treating to oxidize the roughened polymer surface.



Rich Geoffroy
Polymer Services Group
polyserv@cox.net