I have a large butt (ooo errr missus!) with a split in the bottom (it
gets worse! ;-) ). Google has turned-up a few suggestions on how to
tackle HDPE repairs but none seem to be certain. Has anyone here managed
a successful repair and, if so, how?

On Sat, 11 Jul 2020 11:20:48 +0100, wrote:

I have a large butt (ooo errr missus!) with a split in the bottom (it
gets worse! ;-) ). Google has turned-up a few suggestions on how to
tackle HDPE repairs but none seem to be certain. Has anyone here managed
a successful repair and, if so, how?

A bead of CT1?

It can also be used under water so even a damp butt shouldn't be an
issue. ;-)

https://youtu.be/sbzozmZpT2c?t=110

It's used as std to form a flexible gasket / joint on the dagger board
casing on my folding dinghy. ;-)

Cheers, T i m

On 11/07/2020 11:37, T i m wrote:
On Sat, 11 Jul 2020 11:20:48 +0100, wrote:

I have a large butt (ooo errr missus!) with a split in the bottom (it
gets worse! ;-) ). Google has turned-up a few suggestions on how to
tackle HDPE repairs but none seem to be certain. Has anyone here managed
a successful repair and, if so, how?

A bead of CT1?

It can also be used under water so even a damp butt shouldn't be an
issue. ;-)

https://youtu.be/sbzozmZpT2c?t=110

It's used as std to form a flexible gasket / joint on the dagger board
casing on my folding dinghy. ;-)

Cheers, T i m

I fixed a similar monster wheelbarrow with an aluminium strap
pop-rivetted across to stop the crack flexing, then plonking a patch of
that plastic sticky-back flashing (EvoStik Flashband?) over the whole
lot on the inside. Lasted more than 10 years so far.

Things like sylglass or denso tape will also stick, better on the inside
of course.

There is a lot of pressure there, even my favourite Urethane bond only
lasted a year. What you need is a sack built like a pond liner inside it!
Brian

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wrote in message
...
I have a large butt (ooo errr missus!) with a split in the bottom (it gets
worse! ;-) ). Google has turned-up a few suggestions on how to tackle HDPE
repairs but none seem to be certain. Has anyone here managed a successful
repair and, if so, how?

Wrote in message:
I have a large butt (ooo errr missus!) with a split in the bottom (it
gets worse! ;-) ). Google has turned-up a few suggestions on how to
tackle HDPE repairs but none seem to be certain. Has anyone here managed
a successful repair and, if so, how?


Will it weld with a soldering iron?
Is it on the base?

Maybe something like a bit of decent dpc sheet (aka thick plastic
sheet) liberally dolloped with ms polymer (stixall e.g.) plonked
over the crack from inside, worked flattish somehow & in good
contact, then I'd be tempted to fill it up with water....
--
Jimk


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On 12/07/2020 18:47, Jimk wrote:
Wrote in message:
I have a large butt (ooo errr missus!) with a split in the bottom (it
gets worse! ;-) ). Google has turned-up a few suggestions on how to
tackle HDPE repairs but none seem to be certain. Has anyone here managed
a successful repair and, if so, how?


Will it weld with a soldering iron?
Is it on the base?


Plastic welding is quite a skill, it is normally done with a filler rod
and a special tool. (I have a very impressive example on an ABS rear
light done by my mechanic, it looks like a top quality TIG weld).

You might just get away with a crude repair using s soldering iron (for
example a pin-hole) but good luck trying a split!

On Tuesday, 14 July 2020 14:25:04 UTC+1, newshound wrote:
On 12/07/2020 18:47, Jimk wrote:
Wrote in message:

I have a large butt (ooo errr missus!) with a split in the bottom (it
gets worse! ;-) ). Google has turned-up a few suggestions on how to
tackle HDPE repairs but none seem to be certain. Has anyone here managed
a successful repair and, if so, how?


Will it weld with a soldering iron?
Is it on the base?


Plastic welding is quite a skill, it is normally done with a filler rod
and a special tool. (I have a very impressive example on an ABS rear
light done by my mechanic, it looks like a top quality TIG weld).

You might just get away with a crude repair using s soldering iron (for
example a pin-hole) but good luck trying a split!

I presume it would work if you have extra material to melt in. HDPE is plentiful in household waste.

I'd also expect that just melting it hot enough & pouring it onto the previously v-shaped crack would work, but again have not tried it. The base would need to be resting on something non-melty of course.


NT