Polypropylene (PP) ke thermoplastic e thata ea kristale e sebelisoang linthong tsa letsatsi le letsatsi.Ho na le mefuta e fapaneng ea PP e fumanehang: homopolymer, copolymer, impact, joalo-joalo. Thepa ea eona ea mochini, 'mele, le lik'hemik'hale e sebetsa hantle lits'ebetsong ho tloha ho likoloi le tsa bongaka...
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