Tonsefe tikudziwa kuti pulasitiki yambiri imakhala yosavuta kutulutsa ma carcinogens pambuyo pa kutentha, zomwe zimakhudza thanzi la munthu, polypropylene, PP pulasitiki ndiyo yabwino kwambiri yotsutsa matenthedwe mu pulasitiki yayikulu isanu.Amagwiritsidwa ntchito kwambiri popanga zakudya.Pulasitiki wotenthedwa ndi uvuni wa microwave.
Polypropylene, yomwe imatchedwa PP mwachidule, ndi utomoni wopangidwa bwino wa thermoplastic wokhala ndi zinthu zopanda utoto, zopanda fungo, zopanda poizoni, zolimba zowoneka bwino, kachulukidwe kakang'ono komanso kuwala: PP ndiye pulasitiki yolimba kwambiri, yokhala ndi kachulukidwe ka 0,89 kokha. ~ 0.91g/cm (yaing'ono kuposa madzi)
Kukana kutentha kwabwino: Pamapulasitiki ambiri, pulasitiki ya PP ndiyo yabwino kwambiri yotsutsa kutentha, ndipo kutentha kwake kwa kutentha ndi 80-100 ° C. Ikhoza kuphikidwa m'madzi otentha.
Kulimba kwabwino: Pulasitiki ya PP imakana bwino kusweka, komanso moyo wotopa kwambiri, womwe ndi wosavuta kuwumba.
Kukana kwa Chemical: Pulasitiki ya PP imatha kukana asidi, alkali, njira yamchere ndi zosungunulira zosiyanasiyana za organic pansi pa 80 ° C, ndipo zimatha kuwola ndi kutentha kwambiri komanso makutidwe ndi okosijeni.
Panthawi imodzimodziyo, pulasitiki ya PP imakhalanso ndi kutchinjiriza kwamagetsi, mphamvu zamakina apamwamba kwambiri komanso katundu wabwino kwambiri wovala-kusagwira ntchito.
Zoyipa za pulasitiki ya PP: kulondola kwapang'onopang'ono, kusasunthika kosakwanira, kusasunthika kwanyengo, ndi "kuvulaza mkuwa".Ili ndi post-contraction chodabwitsa.
Monga imodzi mwamapulasitiki akuluakulu asanu, PP Plastic imagwiritsidwa ntchito kwambiri pamoyo watsiku ndi tsiku:
A. Gawo lamakampani opanga magalimoto:PP ndi zowonjezera zitsulo: ziyangoyango, mapaipi mpweya wabwino, mafani, etc.
B Zopangira Zanyumba:
C mwatsopano - kusunga bokosi
D chotengera/chida chosindikizira
Monga wopanga mwambozopangidwa ndi pulasitiki ndi nkhungu, mutha kukwaniritsa zosowa zambiri ku Zhongda.Ngati muli ndi chidwi nafe, chonde tilankhule nafe nthawi iliyonse.
Nthawi yotumiza: Dec-05-2022