OPP lub hnab yas yog lub ncuav ntawm polypropylene, yooj yim rau hlawv, yaj tsis muaj, daj hauv qab xiav, haus luam yeeb los ntawm qhov hluav taws kub tsawg dua, ntxiv mus hlawv. OPP khoom yog qhov feem ntau brittle, lub siab tshaj plaws, nro tsis txaus, tab sis feem ntau nplaum nplaum. Thiab luam ntawv yooj yim tshaj plaws yooj yim
PE yog ua los ntawm ethylene polymerization, raws li qhov ceev yog muab faib ua kom muaj qhov siab ceev polyethylene, qhov nruab nrab qhov ceev polyethylene thiab tsawg ntom polyethylene. PE khoom lub cev muag, tab sis lub transparency tsis txaus lwm yam ntaub ntawv, ntau Mongolia. Rally zoo! Tsis yooj yim rau qhov tawg paj.
