I-Polybutylene terephthalate (PBT) iyipulasitiki yobunjiniyela obucwebe kakhulu. Inokucutshungulwa okuhle kakhulu, usayizi ozinzile, ukuqedwa okuhle kwendawo, ukumelana nokushisa okuhle kakhulu, ukumelana nokuguga kanye nokumelana nokugqwala kwamakhemikhali, ngakho-ke kuyaphuma...
Funda kabanzi