Ngo-1958, i-Goodrich Chemical Company (manje ebizwa ngokuthi i-Lubrizol) yabhalisa okokuqala uhlobo lwe-TPU i-Estane. Eminyakeni engu-40 edlule, kube namagama emikhiqizo angaphezu kuka-20 emhlabeni jikelele, futhi uhlobo ngalunye lunochungechunge lwemikhiqizo eminingi. Njengamanje, abakhiqizi bempahla eluhlaza ye-TPU ikakhulukazi bahlanganisa...
Funda kabanzi