For reasons that will probably appear ridiculous, I have an
outside project that requires a durable, weather resistant
container a few inches in diameter. Since I have a length of
68mm black plastic downpipe I'm considering using that.

One thing I have to do is to make or buy some end caps for the
pipe.
I've done a few experiements and discovered that the plastic
(anyone know what it is?) is thermoplastic - gas mark 3 for
10 minutes. However, it does not melt - it just chars.

So since I won't be able to weld pieces together, it looks
like I'll have to glue them. But what with? I need the joints
to bond securely and be weather/UV/water/frost proof. Any
suggestions would be gratefully received.


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