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I keep my CA (super glue) in a ziploc bag in the refrigerator. I've had a
little tube last years like that.
On Wed, Oct 8, 2025 at 3:06=E2=80=AFPM Chuck Spalding <cspalding360@gmail.c=
om>
wrote:
> This discussion has been very interesting, because I have struggled with
> glueing plastics.
>
> However the key point, to me, has not been mentioned: How to identify the
> *type* of plastic. Can somebody provide clues?
>
> Another challenging question (for me): What product works well
> on polyethylene and polypropylene, *and* has a good shelf life. I have
> used "Loctite Super Glue All Plastics", which works well but is expensive
> and has a short shelf life after being opened.
>
> Chuck
>
> On Wed, Oct 8, 2025 at 11:17=E2=80=AFAM <shop-talk-request@autox.team.net=
> wrote:
>
>>
>> Message: 1
>> Date: Tue, 7 Oct 2025 13:18:30 -0500
>> From: David Scheidt <dmscheidt@gmail.com>
>> To: Jim Stone <1789alpine@gmail.com>
>> Cc: Shop Talk <shop-talk@autox.team.net>
>> Subject: Re: [Shop-talk] Plastic epoxy/solvent weld
>>
>> [snip]
>>
>> Methylene chloride is the traditional solvent for acrylic welding. It is
>> now banned for most uses, so newer forulmulations use something else. I
>> have not used any of them, as I don?t work with acrylic. But I did do so=
me
>> in the mists of time. There were two types we used. One was a thin
>> liquid
>> (straight methylene chloride, or very nearly, I think) that was used for
>> fabricating stuff with tightly fitted gap free joints. The other was a
>> gel
>> that would work for joints with a gap, it had acrylic in it, I think,
>> which
>> is what gave it gap filling power. Pick the right sort, based on how we=
ll
>> your parts go back together.
>>
>> [snip]
>>
>> End of Shop-talk Digest, Vol 19, Issue 151
>>
> _______________________________________________
>
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.96
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>
>
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<div dir=3D"ltr">I keep my CA (super glue) in a ziploc bag in the refrigera=
tor.=C2=A0 I've had a little tube last years like that.</div><br><div c=
lass=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_=
attr">On Wed, Oct 8, 2025 at 3:06=E2=80=AFPM Chuck Spalding <<a href=3D"=
mailto:cspalding360@gmail.com";>cspalding360@gmail.com</a>> wrote:<br></d=
iv><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bord=
er-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div =
dir=3D"ltr"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-fam=
ily:verdana,sans-serif">This discussion has been very interesting, because =
I have struggled with glueing plastics.</div><div class=3D"gmail_default" s=
tyle=3D"font-family:verdana,sans-serif"><br></div><div class=3D"gmail_defau=
lt" style=3D"font-family:verdana,sans-serif">However the key point, to me, =
has not been mentioned: How to identify the <i>type</i> of plastic. Can som=
ebody provide clues?</div><div class=3D"gmail_default" style=3D"font-family=
:verdana,sans-serif"><br></div><div class=3D"gmail_default" style=3D"font-f=
amily:verdana,sans-serif">Another challenging question=C2=A0(for me): What =
product works well on=C2=A0polyethylene and polypropylene, <i>and</i>=C2=A0=
has a good shelf life. I have used "Loctite Super Glue All Plastics&qu=
ot;, which works well but is expensive and has a short shelf life after bei=
ng opened.</div></div><div class=3D"gmail_default" style=3D"font-family:ver=
dana,sans-serif"><br></div><div class=3D"gmail_default" style=3D"font-famil=
y:verdana,sans-serif">Chuck</div><div><br></div><div class=3D"gmail_quote">=
<div dir=3D"ltr" class=3D"gmail_attr">On Wed, Oct 8, 2025 at 11:17=E2=80=AF=
AM <<a href=3D"mailto:shop-talk-request@autox.team.net"; target=3D"_blank=
">shop-talk-request@autox.team.net</a>> wrote:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid r=
gb(204,204,204);padding-left:1ex"><br>
Message: 1<br>
Date: Tue, 7 Oct 2025 13:18:30 -0500<br>
From: David Scheidt <<a href=3D"mailto:dmscheidt@gmail.com"; target=3D"_b=
lank">dmscheidt@gmail.com</a>><br>
To: Jim Stone <<a href=3D"mailto:1789alpine@gmail.com"; target=3D"_blank"=
>1789alpine@gmail.com</a>><br>
Cc: Shop Talk <<a href=3D"mailto:shop-talk@autox.team.net"; target=3D"_bl=
ank">shop-talk@autox.team.net</a>><br>
Subject: Re: [Shop-talk] Plastic epoxy/solvent weld<br><br>
<span class=3D"gmail_default" style=3D"font-family:verdana,sans-serif">[sni=
p]</span><br>
<br>
Methylene chloride is the traditional solvent for acrylic welding. It is<br=
>
now banned for most uses, so newer forulmulations use something else. I<br>
have not used any of them, as I don?t work with acrylic. But I did do some<=
br>
in the mists of time.=C2=A0 There were two types we used.=C2=A0 One was a t=
hin liquid<br>
(straight methylene chloride, or very nearly, I think) that was used for<br=
>
fabricating stuff with tightly fitted gap free joints.=C2=A0 The other was =
a gel<br>
that would work for joints with a gap, it had acrylic in it, I think, which=
<br>
is what gave it gap filling power.=C2=A0 Pick the right sort, based on how =
well<br>
your parts go back together.<br><br>
<span class=3D"gmail_default" style=3D"font-family:verdana,sans-serif">[sni=
p]</span><br><br>
End of Shop-talk Digest, Vol 19, Issue 151<br>
</blockquote></div></div>
</div>
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Archive: <a href=3D"http://www.team.net/pipermail/shop-talk"; rel=3D"norefer=
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</blockquote></div>
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Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/archive
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