[NTLK] Looking for experts on glueing or welding polyprophylen (PP)

[Elias Basse]

Try sheet abs. It is available in many surfaces and thicknesses.  And can be glued with plastic model cement (Testors Brand).

Best Regards,

Elias

Sent from my iPhone

> On Jan 14, 2018, at 5:51 PM, NewtonTalk <newtontalk at pda-soft.de> wrote:
> 
> Yes, this is Newton related, but you won't get your hands on the result
> before I am completely satisfied with it. Which currently I am pretty far
> from being.
> 
> I am trying to glue two flat polyprophylen parts together. I make them from
> binders like these:
> 
>   <https://preview.tinyurl.com/y9u62jdo>
> 
> These sheets aren't completely smooth, which I think is a good thing because
> there's more surface the glue can cling to. But maybe I'm mistaken here.
> 
> Unfortunately, so far everything I tried did not work. I tried super glue
> (cyanoacrylate), UHU, and Pattex. The next day I could still separate both
> as if they had been glued with saliva. Especially when I flexed them. I have
> learned by now that polyprophylen has a very low surface tension, which
> makes it difficult to glue. This appears to be correct. 
> 
> :-((
> 
> If anyone on this list happens to have knowledge on how to glue this
> material, please oh please chime in. Or might there be a chance of
> connecting those parts using heat, like that from an electric iron? Of
> course, I could try this out, but I am afraid that the connection might only
> SEEM to be OK and turn out to be flaky over time.
> 
> I also considered using double-sided sticky tape, but I did not find one
> that is thin enough. It should not be thicker than what a thin layer of
> super glue would account for (about 0.05mm or so I think).
> 
> If you think I am on the wrong track to begin with: Do you know a material
> that is really easy to glue and available in sheets about 0.2 ... 0.3
> millimeters strong?
> 
> Thanks
> 
> Frank
> 
> -- Newton software and hardware at http://www.pda-soft.de
> 
> 
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