@@ShoemakersAcademy I think next time I'll choose EVA and Rubber based with goodyear welt. If it breaks just resole it and change to vibram. Thanks for reply.
@@narellano Yes I now it. But in local reseller didn't say information when the product produced. Remember there's shelf life too for shoes. Actually in reality the good one can stand more than 1 year.
@@aditya.pratamayou can check the expiry date on the outsole. It’s normally part of the mold. It mentions month/year. Polyester PU foam, the one that undergoes hydroysis, causing foam to crumble, with added anti-hydrolysis additive may last 2-3 years.
PU soles are such a scam, they should be illegal. The delusion and optimism it takes to rationalize it is commemorable. If you can do that, you can find the bright side of life in anything lol Every PU sole I've had cracked into pieces within a few a few days of wearing. And, if you use one shoe to pry off the 2nd shoe, it will break off a chunk of the the first shoe's sole lol PU is pure Garbage! As one guy pointed out, Crock's EVA is the way to go if you require a soft sole.
@@ShoemakersAcademy I get mine at thrift stores and store discount sales. Happens every time. Regulators need to put warming labels "Disintegrates in 2 years," followed by a sell by date lol
Crocs are made of something magical that doesn't shrink, and doesn't hydrolyze apart ( ... not even in landfill).
Ha ha it's called EVA, you can chop it and remelt it. But yes it will last for ever.
Yeah that magic substance is called injected EVA.
Is there a way to repair this? I have a pair of Lowa hiking boots that this happened to.
Repair......No you will need to resole. The Entire outsole must be removed.
There is a 3d print material named TPU. But I dont know if its suffer the same hydrolysis issues like polyurethane PU or not.
TPU is a great material. Adidas Boost is "blown" TPU.
yes, it will disintegrate too.
So PVC sole is better or worse?
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The material AB ratio is incorrect
Could be!
I've 2 safety shoes (safety jogger), and all outersole crumble break like this one after I'm not using it 1 year (store in the box).
Well, PU is also susceptible to chemical attach or the direct attached machine did not have the mix adjusted correctly....
@@ShoemakersAcademy I think next time I'll choose EVA and Rubber based with goodyear welt.
If it breaks just resole it and change to vibram.
Thanks for reply.
Are you aware that safety shoes have expiration date as well? Safety shoes are meant to last a max of 1yr.
@@narellano Yes I now it. But in local reseller didn't say information when the product produced. Remember there's shelf life too for shoes.
Actually in reality the good one can stand more than 1 year.
@@aditya.pratamayou can check the expiry date on the outsole. It’s normally part of the mold. It mentions month/year. Polyester PU foam, the one that undergoes hydroysis, causing foam to crumble, with added anti-hydrolysis additive may last 2-3 years.
It looks like your video is about outsoles, not midsoles.
Same compounds same problems.
PU soles are such a scam, they should be illegal.
The delusion and optimism it takes to rationalize it is commemorable. If you can do that, you can find the bright side of life in anything lol
Every PU sole I've had cracked into pieces within a few a few days of wearing.
And, if you use one shoe to pry off the 2nd shoe, it will break off a chunk of the the first shoe's sole lol
PU is pure Garbage! As one guy pointed out, Crock's EVA is the way to go if you require a soft sole.
PU shoes last a few years, not a few days.
@@ShoemakersAcademy I get mine at thrift stores and store discount sales. Happens every time. Regulators need to put warming labels "Disintegrates in 2 years," followed by a sell by date lol
I dont agree with “few days”, unless you bought an expired material.
Good quality PU lasts min. 8 years average, sometimes over 10 years depending on how much humidity exposed.
@ And if the shoes are used, if the PU is not exercised, if you just leave them in storage, don't expect them to last.
PVC is heavy and worse for the environment. PCV will last forever. EVA is the best, if you can afford it.
In polyether-based PU it will not happen..
Great point! Thanks for sharing.