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Sera ya Polypropylene (Wax Wapamwamba Wosungunuka)
Sera ya polypropylene(PP WAX), dzina lasayansi la polypropylene otsika molekyulu.Posungunuka sera ya polypropylene ndi yapamwamba (malo osungunuka ndi 155 ~ 160 ℃, omwe ndi apamwamba kuposa 30 ℃ kuposa sera ya polyethylene), pafupifupi molekyulu yolemera ndi za 5000 ~ 10000mw.Lili ndi lubricity ndi kubalalitsidwa kwapamwamba.
