Plastic Glue

On Jul 13, 11:27 am, "Static Void" wrote:
> Many moons ago my brother and I enjoyed building Revell airplane models
> (remember those, not sure if they're still around) and used a type of glue
> that literally fused the parts together by melting the plastic, with the
> resulting joint so strong it would break before coming apart.
>
> Now, is there a similar type of glue for motorcycle/scooter plastic body
> parts? If not, what's the best glue available for that purpose?
>
> I am in the US and trying to fix a couple of odds and ends on a Honda CH80
> if it helps. Thanks in advance.


Depends a lot on the exact repair you're trying to make.

If at all possible, you ought to back the break with a flat
patch made of similar plastic. If you're trying to join the
butt ends of the break without a backing patch, it'll
require better adhesive.

f you can use a backing patch, just plain old contact cement
might well work as well as a special purpose glue. If the repair
is totally invisible, you can also add some pop rivets.

If I wanted a high quality glue, I'd probably look for a
plastic repair epoxy as others have suggested or bring
the part in to TAP Plastics for a recommendation.
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"Static Void" wrote in message

> Many moons ago my brother and I enjoyed building Revell airplane models
> (remember those, not sure if they're still around) and used a type of glue
> that literally fused the parts together by melting the plastic, with the
> resulting joint so strong it would break before coming apart.
>
> Now, is there a similar type of glue for motorcycle/scooter plastic body
> parts? If not, what's the best glue available for that purpose?
>
> I am in the US and trying to fix a couple of odds and ends on a Honda CH80
> if it helps. Thanks in advance.
>

Gorilla Glue maybe ?
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In article ,
whats RemoveThis @too.you says...
>
> "Static Void" wrote in message
>
> > Many moons ago my brother and I enjoyed building Revell airplane models
> > (remember those, not sure if they're still around) and used a type of glue
> > that literally fused the parts together by melting the plastic, with the
> > resulting joint so strong it would break before coming apart.
> >
> > Now, is there a similar type of glue for motorcycle/scooter plastic body
> > parts? If not, what's the best glue available for that purpose?
> >
> > I am in the US and trying to fix a couple of odds and ends on a Honda CH80
> > if it helps. Thanks in advance.
> >
>
> Gorilla Glue maybe ?

Gorilla Glue is pretty awesome, but I don't know if it would be the best
for this application. It does tend to do better when the surfaces are
porous or roughened up. It doesn't really melt the plastic together
either.

They still make the models and model glue. Just go to a hobby shop. You
will have to tell us if it works on this kind of plastic, though. I think
they kind of designed the model plastic to work with the glue to get the
best bond. Remember, that model plastic doesn't have to be strong so it
can be designed differently from regular plastic.

I once found an epoxy that was designed for plastic. I used it to fix
part of a baby carrier. (The little strap that holds the sun-shade up.
NOT the handle.) You know how that kind of plastic seems as if nothing
would stick to it. I was always afraid that would break and was
continuously after my wife (at the time) to be careful with it. Well the
thing never did break or even look as if it was cracking even a little
bit. I was really impressed.

The stuff is available at the regular hardware store. It dries white. I
can't remember the brand name. If I am near a hardware store in the next
week or so I will stop in and see if I can find it again and tell you the
name.

Keep in mind, when I repaired that baby carrier, I had the luxury of
plenty of overlapping area. I don't know how well it will do edge-to-
edge. Perhaps you could apply a splint to the inside to help support the
joint.
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On Jul 13, 2:27 pm, "Static Void" wrote:
> Many moons ago my brother and I enjoyed building Revell airplane models
> (remember those, not sure if they're still around) and used a type of glue
> that literally fused the parts together by melting the plastic, with the
> resulting joint so strong it would break before coming apart.
>
> Now, is there a similar type of glue for motorcycle/scooter plastic body
> parts? If not, what's the best glue available for that purpose?
>
> I am in the US and trying to fix a couple of odds and ends on a Honda CH80
> if it helps. Thanks in advance.

I put my son's broken fairing back together on his sportbike using:

1. marine grade fiberglass mesh sheets (cut to fit the application,
obviously); they're pretty thin and unravel easily on the edges, but
man they're stringer than steel when the glue dries

2. marine grade glue (can't remebmer the name) that is clear - used
for the parts of the fairing that people see

3. pliobond - industrial cement available aat a fine hardware store
near you - to glue the fiberglass sheets to the back/inside of the
fairing that you don't see.

I used the clear marine grade glue to partly cement the parts back
together enough so I liberally apply the Pliobond to the back/inside
so I could over the entire inside with the fiberglass.

Then I glued the cracks on the outside with the clear glue, but it was
the pliobond/fiberglass that held it together... it stayed together
and didn't look too bad.

The Pliobond smells to high heaven and the smell will remain on the
item for a week or more and days in the room you did the work.

On your Elite scooter, the whole shell is plastic. You can sometimes
buy the parts on ebay cheaply and since the design hasn't changed muhc
in the 20+ years the thing has been on he market, it is more likley
that things will fit from year to year.

Greg
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In article ,
"Static Void" wrote:

> Many moons ago my brother and I enjoyed building Revell airplane models
> (remember those, not sure if they're still around) and used a type of glue
> that literally fused the parts together by melting the plastic, with the
> resulting joint so strong it would break before coming apart.

Dichloromethane or Methylene Chloride (CH2 Cl2).

Dissolves polystyrene (hard) plastics, won't touch polyethylene (waxy).

Styrenes are plexiglass, butyrates, Monogram/Revell plastic car and plane kits,
etc. - and ethylenes are things like Nalgene bottles, plastic kayaks and canoes,
MX motorcycle fenders...

> Now, is there a similar type of glue for motorcycle/scooter plastic body
> parts? If not, what's the best glue available for that purpose?

If the parts can crack from flexing, they may be in the styrene family.

A test on some out of sight area would be prudent. If the surface plastic
softens/melts with a few drops (mush it around after a few seconds) it should
work (where there isn't paint).

Strength isn't inherent in an edge-to-edge bond. Some form of gusset or backing
plate at a crack is recommended. Smooth clean mating surfaces work best.
Pressure holding edges or surfaces together while bonding is important. 1-2 days
curing necessary.

> I am in the US and trying to fix a couple of odds and ends on a Honda CH80
> if it helps. Thanks in advance.

Methylene Chloride is a suspected carcinogen. Keep it off your skin and use in a
well-ventilated area.

Mike G.
-
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On Jul 13, 11:27 am, "Static Void" wrote:
> Many moons ago my brother and I enjoyed building Revell airplane models
> (remember those, not sure if they're still around) and used a type of glue
> that literally fused the parts together by melting the plastic, with the
> resulting joint so strong it would break before coming apart.
>
> Now, is there a similar type of glue for motorcycle/scooter plastic body
> parts? If not, what's the best glue available for that purpose?
>
> I am in the US and trying to fix a couple of odds and ends on a Honda CH80
> if it helps. Thanks in advance.

try [Devcon plastic welder] sold at walmart and ace hardware people
over at scootdawg.com swear by it and its inexpensive.
Mike
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