Where to get rectangular PVC tube

This topic has 30 replies, 17 voices, and was last updated 1 February 2023 at 10:53 by Noel Murphy.

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1 February 2023 at 00:11 #631527
samuel heywood
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@samuelheywood23031
Posted by Rowan Sylvester-Bradley on 31/01/2023 19:23:33:

Posted by peak4 on 31/01/2023 19:02:32:

Does it have to be plastic?

Well, I was proposing to glue it together using solvent cement, so that requires plastic. I'm not competent and I don't have the equipment to weld aluminium. I suppose I couild glue it together with araldite, but I don't think that would be as strong as solvent cement. Is there a better way to neatly join white finish aluminium tube?

Thank you – Rowan

Metal can be glued quite permanently.

I seem to recall Rayleigh glueing bicycle frames together at some point in the past. I forget the 'why?' now.

Look at 'engineering adhesives.'

I've a threaded sleeve glued to a shaft, that thus far has performed as well as if i'd not been feeling lazy & had made it all as a single unit.

I'm sure others have far more experience on this sort of thing.
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1 February 2023 at 09:01 #631540
Martin Kyte
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@martinkyte99762
OK maybe I should make it easy for you.

See the results of this link

ABS square tube

regards Martin
1 February 2023 at 10:28 #631551
John Hinkley
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@johnhinkley26699
Can you make it even easier, Mark? As far as i can see, your link leads to suppliers of square tube, not rectangular as requested by the OP. He specified 20 x 40mm or 25 x 50mm tubing. I have to admit I haven't explored all your search results, though – life's too short!

John
1 February 2023 at 10:33 #631552
Martin Kyte
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@martinkyte99762
**LINK**

I was trying to gently point out that there seems to be a lot more variety in ABS rather than PVC.

I do know that the original requirement was for rectangular tube but solvent welding squre is a possible as earlier postts have suggested.

The pack price on the above link is a little high but it does at least indicate that the product exists.

regards Martin

Edited By Martin Kyte on 01/02/2023 10:37:17
1 February 2023 at 10:42 #631554
John Hinkley
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@johnhinkley26699
Thank you. That supplier has already been suggested by David George in the fourth post and rejected by Rowan on grounds of quantity and cost. He only wants 2m. I suppose he could approach them and ask for the name of someone who's bought 75metres of the stuff and beg a couple of metres from them! Or maybe even a 2m "sample" from MKM – good luck with that.

John

I'm bowing out of the discussion at this point. ……..

Edited By John Hinkley on 01/02/2023 10:43:30
1 February 2023 at 10:53 #631558
Noel Murphy
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@noelmurphy40921
What about this https://www.plumbingforless.co.uk/ventilation/ducting/flat-channel-ducting-225mm/manrose-234mm-x-29mm-slim-ducting-flat-channel-1m-grey-1501 and some careful work with a sharp knife? I'd say the edge sections are about 29 * 60 mm.

The heading says grey but the description says white.
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