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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Sticking plastic to plastic
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Author Topic: Sticking plastic to plastic  (Read 1821 times)

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Offline Jaan

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Sticking plastic to plastic
« on: November 25, 2013, 06:37 PM »
I knowingly bought a cracked Haro Circuit board plate as I could see that the crack was clean (mmm clean crack) and no plastic was missing ensuring a tight fit when bonding... However, I tried superglue and it did fook all - it might as well have been water.

I don't want to use the ray beams that I can fire from my eyes as I don't want to show off so does anyone have a suggestion as to a suitable bonding agent - I tired hugs but that didn't work either.

Chris  :-*

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Offline oldschoolace

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Re: Sticking plastic to plastic
« Reply #2 on: November 25, 2013, 07:06 PM »
You need to know what material it is to get a decent bond Chris.
Most plastics bond poorly and if its a thermoplastic its worse. The good news is that once you know the material there will probably be an industry standard adhesive/solvent. Generally speaking anything you can buy in the shops will only give you limited success.
Sixteen thirty-two. What is that? A year?   No, it's your top score on Pole Position.


Offline Sid1972

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Re: Sticking plastic to plastic
« Reply #3 on: November 25, 2013, 07:08 PM »
If it is a thermoplastic use tensol..

Offline Jaan

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Re: Sticking plastic to plastic
« Reply #4 on: November 25, 2013, 07:22 PM »
How can I tell what plastic it is Clint?

I've asked it but its pretending either it can't hear me or it can't talk...

Seriously though, does anyone know what plastic Haro used for their Circuit Board plate?

Offline oldschoolace

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Re: Sticking plastic to plastic
« Reply #5 on: November 25, 2013, 07:28 PM »
Just had a quick look Chris and there is no obvious answer on the net. Someone on the museum is bound to know, failing that contact Haro, you never know they may be able to help  :-\

I would expect it to be some kind of nylon but there was alot of experimentation with plastics back then and this ad claims Haro used something different to cast the plates.



Sixteen thirty-two. What is that? A year?   No, it's your top score on Pole Position.


Offline Jaan

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Re: Sticking plastic to plastic
« Reply #6 on: November 25, 2013, 07:31 PM »
Thanks Clint, lets see what I can find out.

Offline HUTCHMAN

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Re: Sticking plastic to plastic
« Reply #7 on: November 25, 2013, 07:32 PM »
I've used Acetone in the past.. don't know if it'll work for all plastics though.

Offline oldschoolace

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Re: Sticking plastic to plastic
« Reply #8 on: November 25, 2013, 07:37 PM »
acetone is great on acrylic.... if my GCSE CDT head recalls properly. :daumenhoch:
May be worth a try with the solvent weld stuff you use on plumbing too. (though would be bloody carefull with it!!!!)
Sixteen thirty-two. What is that? A year?   No, it's your top score on Pole Position.


Offline Jaan

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Re: Sticking plastic to plastic
« Reply #9 on: November 25, 2013, 07:40 PM »
I've posted on the Museum and contacted Haro, hopefully i'll get an answer that aligns with yours.

I'm worried about your "careful" comment though Clint, I can't tighten a wheel nut without taking a chunk out of the solid wood floor...

Offline Bfellows

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Re: Sticking plastic to plastic
« Reply #10 on: November 25, 2013, 07:47 PM »
If it is a thermoplastic use tensol..

What he said ^^^^
You always need a cheese option......

In2bmx

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Re: Sticking plastic to plastic
« Reply #11 on: November 25, 2013, 07:53 PM »
If it is a thermoplastic use tensol..
  :daumenhoch:

Offline Jaan

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Offline Jaymz

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Re: Sticking plastic to plastic
« Reply #13 on: November 25, 2013, 08:08 PM »
Chloroform. . . No joke

rodriguez

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Re: Sticking plastic to plastic
« Reply #14 on: November 25, 2013, 08:15 PM »
If they tell you it was made out of unobtanium tell them to fook off   :daumenhoch:

Offline Jaan

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Re: Sticking plastic to plastic
« Reply #15 on: November 25, 2013, 08:16 PM »
If they tell you it was made out of unobtanium tell them to fook off   :daumenhoch:

Duly noted, but Kryptonite is ok?

rodriguez

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Re: Sticking plastic to plastic
« Reply #16 on: November 25, 2013, 08:46 PM »
If they tell you it was made out of unobtanium tell them to fook off   :daumenhoch:

Duly noted, but Kryptonite is ok?

Think you can use the two part epoxy on kryptonite    :LolLolLolLol:

All jokes on the side hopefully they can tell you what it is as there seems to be a few on here who know about gluing plastics.

Offline Jaan

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Re: Sticking plastic to plastic
« Reply #17 on: November 26, 2013, 09:34 AM »
Getting this thread back on track, there are 2 Tensol options, could someone tell me if I need Tensol 12 or Tensol 70?


griff

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Re: Sticking plastic to plastic
« Reply #18 on: November 26, 2013, 11:03 AM »
Chris

Just to check, did you allow time for the superglue to 'cure' before trying to stick it
My proto plate had a tiny split in it, but after a dab of superglue I waited for a short while and then pressed together
It is just like water until the point where it goes tacky though

If you want to test how long it takes, just put some on your fingers and see how long it takes for them to bond to things  :teef:

Offline Jaan

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Re: Sticking plastic to plastic
« Reply #19 on: November 26, 2013, 11:37 AM »
Chris

Just to check, did you allow time for the superglue to 'cure' before trying to stick it
My proto plate had a tiny split in it, but after a dab of superglue I waited for a short while and then pressed together
It is just like water until the point where it goes tacky though

If you want to test how long it takes, just put some on your fingers and see how long it takes for them to bond to things  :teef:

I've stuck my fingers together a few times, I even do it for fun if i'm really bored but picking it off your skin is nowhere near as much fun as the glue we used to use as kids in school, and I don't mean Copydex which smells like a female tramps undies  :smitten:

I'll try again at the weekend, in the meantime i'm going to practice being patient

Offline Chapperz

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Re: Sticking plastic to plastic
« Reply #20 on: November 26, 2013, 08:35 PM »
I use to work somewhere about a year ago, we used locative superglue. Now I thought superglue was superglue, but we had about 4 different types. One was specifically for plastic. I only found this out when I had a similar problem, I'll try and find the number .....the standard stuff is 401 Universal ( crap on plastic) might be worth a google. I'll get back to you if I find the number.
Cleethorpes Old School Ride Out 2018. 14th July 2018

Offline Chapperz

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Re: Sticking plastic to plastic
« Reply #21 on: November 26, 2013, 08:40 PM »
http://www.loctite.co.uk/fullproduct-list-loctite-4995.htm
I reckon the stuff I was thinking of was 406 on the list.
Cleethorpes Old School Ride Out 2018. 14th July 2018

Offline Jaan

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Re: Sticking plastic to plastic
« Reply #22 on: November 27, 2013, 08:27 AM »
Thanks mate, thats a long list of adhesives!

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