PPH Drum
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Polypropylene Drum (PPH Drum)
PPH ndeye yakagadziridzwa yakakwirira-inoshanda polypropylene zvinhu.Iyo homogenous polypropylene ine yakakwira molecular uremu uye yakaderera melt kuyerera mwero.Iyo ine yakanaka crystal chimiro, yakanakisa makemikari kuramba, yakakwirira tembiricha kuramba uye yakanaka creep kuramba.Denaturation, asi zvakare ine yakanakisa kukanganisa kupikisa pane yakaderera tembiricha, inoshandiswa zvakanyanya muindasitiri yemakemikari.