PPH Drum
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Polypropylene Nruas (PPH Drum)
PPH yog cov khoom siv polypropylene zoo dua qub. Nws yog homogenous polypropylene uas muaj qhov hnyav molecular thiab tsis tshua muaj dej ntws. Nws muaj cov qauv siv lead ua zoo, cov tshuaj tiv thaiv zoo heev, kub kub ua haujlwm thiab zoo creep kuj. Denaturation, tab sis kuj muaj kev cuam tshuam zoo heev ntawm qhov kub thiab txias, dav siv hauv kev lag luam tshuaj.