Mabhegi ekurongedza epurasitiki akagadzirwa nepolypropylene (PP) seyakanyanya mbishi zvinhu, iyo inoburitswa, simbi inodhonzwa, yakarukwazve, yakarukwa, uye inogadzirwa mumabhegi ekurongedza.PP ipurasitiki inoonekera, semi-crystalline thermosetting ine kusimba kwakanyanya, yakanaka yekudzivirira zvivakwa, kunyura kwemvura yakaderera, yakakwira am ...
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