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Polymers

BASF’s Elastollan stars in bicycle tube

by Melody M. Bomgardner
October 24, 2020 | APPEARED IN VOLUME 98, ISSUE 41

09841-buscon12-elastollan.jpg
Credit: BASF
This bicycle tube, made of thermoplastic polyurethane, is lighter and more puncture resistant than traditional versions.

BASF and the bicycle-tube maker Schwalbe say new tire tubes made entirely of BASF’s Elastollan-brand thermoplastic polyurethane (TPU) can reduce the risk—and danger—of a sudden flat tire. The TPU version has higher puncture resistance than traditional butyl rubber tubes. It is also 40% lighter, as well as recyclable and easy to assemble, the firms say.

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