Muaj ntau txoj hauv kev tsim thiab ua cov hlau kos duab yas, xws li calendering, daim kab xev casting, tshuab moulding, stretching, biaxial stretching thiab lwm yam.
(1) Cov txheej txheem casting tshem tawm cov yeeb yaj kiab tshuab theem ntawm cov yeeb yaj kiab yeeb yaj kiab thiab tsis muaj pov tseg;
(2) Thaum lub sij hawm daim kab xev casting ntau lawm, cov tshuaj molecules yog teem kom zoo, yog li nws yog conducive los txhim kho lub pob tshab, luster thiab thickness uniformity ntawm cov zaj duab xis, uas yog haum rau advanced ntim;
(3) Lub casting feem txais cov hluav taws xob nce thiab nqis viav vias thiab rov qab thiab tawm mus, uas yooj yim rau kev khiav lag luam;
Feem ntau siv BOPP zaj duab xis muaj xws li: zoo tib yam biaxially oriented polypropylene zaj duab xis, tshav kub kaw biaxially oriented polypropylene zaj duab xis, luam yeeb ntim zaj duab xis, biaxially oriented polypropylene pearlescent zaj duab xis, biaxially oriented polypropylene metallized zaj duab xis, extinction zaj duab xis, thiab lwm yam. Blown zaj duab xis yog cov khoom siv zaj duab xis cylindrical tau los ntawm extruding yas rau hauv ib lub raj nyias, ces tshuab cov yas nrog compressed cua thaum kub, thiab ces txias thiab shaping. Qhov kev ua tau zoo ntawm cov yeeb yaj kiab no yog nruab nrab ntawm cov yeeb yaj kiab thiab cov yeeb yaj kiab casting: lub zog zoo dua li cov yeeb yaj kiab casting, thiab cov cua sov sealing yog phem dua li cov yeeb yaj kiab casting. Muaj ntau ntau hom yeeb yaj kiab uas tsim los ntawm tshuab moulding, xws li low density polyethylene (LDPE), linear polyethylene (LLDPE), polypropylene (PP), high density polyethylene (HDPE), nylon (PA), ethylene vinyl acetate copolymer (EVA) , lwm
