Lub raj mis preform yog dab tsi?
Lub raj mis preform yog dab tsi?

Video: Lub raj mis preform yog dab tsi?

Video: Lub raj mis preform yog dab tsi?
Video: Maiv Xyooj ~ "Nyiam Koj Tiag Tsis Zoo Qhia" with Lyrics (Official Music Video) 2024, Kaum ib hlis
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Tag nrho cov yas soda los yog "pop" fwj pib li asmall yas raj hu ua a preform . Thaum no preform yog rhuab thiab tshuab mus rau hauv ib lub raj mis cov duab, itis npaj kom puv nrog koj nyiam carbonatedbeverage.

Tom qab ntawd, PET lub raj mis preform yog dab tsi?

PET lub raj mis yog lub khw loj loj rau cov khoom siv. Nyob rau hauv thawj kauj ruam, Tsiaj yog txhaj molded rau hauv "mini lub raj mis , "ua tiav nrog cov xov, hu ua a preform . Qhov no preform yog tom qab ntawd reheated, ncab thiab tshuab mus rau hauv nws cov duab kawg.

Kuj Paub, lub raj mis ua li cas? Kev Ua ntawm Yas Lub raj mis Nws yog ib qho polymer feem ntau muab los ntawm cov roj av hydrocarbons thiab yog qhov tshwm sim ntawm cov tshuaj tiv thaiv ntawm monomersethylene glycol thiab terephthalic acid. Hauv kev tsim cov PETplastics, terephthalic acid yog ua ke nrog Methanol los tsim Dimethyl Terephthalate thiab dej.

Ib yam li ntawd ib tug yuav nug, dab tsi yog preforms siv rau?

Ib PET preform yog ib lub raj zoo li cov yas uas yog tsim los ntawm cov txheej txheem hu ua txhaj moulding, siv cov yas hu ua PET. Meanwhile lub pwm yog ib tug hollow daim ntawm hlau, ib tug cuab tam, uas yog siv rau tswj qhov zoo ntawm cov khoom yog molded.

Lub raj mis preforms ua li cas?

Hauv cov txheej txheem ib theem, preforms yog tsim thiab ces tshuab mus rau hauv fwj nyob rau hauv ib tug tas mus li txheej txheem, los ntawm ib lub tshuab. Cov txheej txheem no tau muab faib ua peb qhov chaw: thawj cov yas yaj yog txhaj rau hauv preform pwm

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