TPU inner tubes- any experience?

[Pinno718]

Good call Pinno on the recycling potential, versus what will actually happen - I just looked up for our local recycling centres, and it is unclear to put it mildly.

This is what I have to deal with.
Company X has to convince employees to SAS (separate at source) but employees are often not involved with the process and these rules are imposed on them. Separated waste is cross contaminated and forecast recycling figures/savings aren't met.

Ever wondered why glass is no longer segregated into colours? A ton of clear glass can be contaminated by a few brown or green bottles.
Have a look at brand new tarmac when you're out pedalling and see how it twinkles. That's where a lot of your glass goes or into concrete or other aggregates.

 

[Pblakeney]

How have you found the durability/puncture resistance? I bought a pack of 4 or 5 (can't remember exactly!) last year and none of them have lasted longer than 3 or 400 km until a puncture. Even with patching them they have punctured again and ended up having to give up on them. It's a shame as the principle of them is great but my experience of them, practically speaking, has been a bit naff! I appreciate these are the cheaper one's though and the premium stuff my well be better.

Durability/resistance has been exactly (or close enough that I can't tell the difference) the same as butyl, i.e. it it usually a worn outer that is the issue, or something severe. Repairs last long enough to get home but are not permanent. I bin punctured TPU. I know.

 

[Hacienda71]

What was the puncture "mode"? Blowout like when a seam fails? Small hole like a thron/flint?
Thanks!

One was a blow out. Seemed to fail at a seam. No warning just a sudden deflation. One was at the bottom of a long steep descent (25% plus) and deflated pretty quickly. I was on rim brakes which may have caused a joint to overheat. The final one seemed to be a leaky valve with a slow deflation.
I would use them again but only with discs and a better regarded brand.

 

[matticus]

One was a blow out. Seemed to fail at a seam. No warning just a sudden deflation. One was at the bottom of a long steep descent (25% plus) and deflated pretty quickly. I was on rim brakes which may have caused a joint to overheat. The final one seemed to be a leaky valve with a slow deflation.
I would use them again but only with discs and a better regarded brand.

Cheers. (I'm still very much in the opinion-forming stage on these things! But it does sound like buying cheap was a factor.)