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I'm thinking of using some 22mm copper pipe to make a frame for the garden, and rather than sweating the joints Ive seen cold joining compounds that claim to do the job.
So would they be OK for something left out in all weathers, and how far does a tube of the stuff go?
are they cold joining compounds electrically conductive?
I need to join some copper contacts but dont want to destroy my electronics with heat
Just use compression fittings.
I'd just solder them, will be much neater than compression joints. the ones with solder already inside might be easier and at least you dont have to worry about leaking.
You can get copper push fit too but £££.
If they don't have to hold water I'd just bond them together using your adhesive of choice.
<span style="text-decoration: underline;">copper push fit is pretty, but does cost depending on how many you use. I used the 15mm tectite(?) stuff from screwfix.</span>
If it's out in the garden the copper won't be shiny long, unless that's the look you are going for.
As trail_rat, I'd use Araldite or similar, with the plain joints designed for feeding solder in the ends. Neater than push fit or compression, As DT78 says, the surface will oxidise, and it will look more uniform if you haven't heated it or splashed flux around.
Duh - STW shows obvious answer is obvious - thanks. I'd got sucked into thinking 'plumbing fittings = plumbing methods' but of course there's no need in this case. I'll just use some clear epoxy. No, don't want a shiny copper thing in the garden in this instance so the plan is to let it weather in naturally.
Copper pipe? In the garden? That might disappear when the crowd who occupied the Thwaite's Brewery in Blackburn spot it.
https://www.lancashiretelegraph.co.uk/news/16314425.sixth-arrest-over-thwaites-brewery-ransacking/
Why are you using copper?
Why are you using copper?
Why not? Don't want steel or timber and copper seemed like a readily available option that I could work with and would look OK.
plastic pipe with solvent weld joints.
Copper pipe won't last that long if it's in contact with soil as the wall thickness is so small.
plastic pipe with solvent weld joints.
No thanks. Soil contact isn't an issue.