Cov khob yas pov tseg PP yog ib zaug - siv cov thawv uas tsim los ntawm cov khoom siv yas xws li polypropylene (PP) thiab polycarbonate (PC). Lawv cov kev tsim khoom ua raws li cov qauv uas tau teev tseg hauv *National Food Safety Standard: Cov Khoom Siv Yas thiab Cov Khoom Siv Hauv Kev Sib cuag nrog Khoom Noj* (GB 4806.7-2016) thiab * Cov Khob Dej Haus * (QB/T 4049-2021); Qhov tseem ceeb, kev siv cov khoom siv PC raug txwv tsis pub siv cov khob yas tsim rau cov menyuam mos thiab menyuam yaus. Cov khoom yuav tsum tau dais cov ntawv qhia txog cov khoom muaj pes tsawg leeg, ntau lawm daim ntawv tso cai naj npawb, thiab cov cim "QS"; Cov cheeb tsam uas tsis ua raws li kev soj ntsuam tau pom muaj xws li sealing kev ua tau zoo thiab kev cuam tshuam.
Cov khob yas pov tseg PP yog ua raws li cov kev cai tshwj xeeb hais txog kev tiv thaiv tshav kub thiab qis - qhov kub thiab txias. Thaum yuav khoom, cov neeg siv khoom yuav tsum tshuaj xyuas lub khob kom paub tseeb tias lawv tsis muaj impurities, tsw, thiab raug cuam tshuam rau deformation. Cov khob yuav tsum tau ntxuav thiab tua kab mob ua ntej siv; Yog tias siv los tuav cov kua txiv hmab txiv ntoo lossis cov dej haus carbonated, lawv yuav tsum tau ntxuav tam sim ntawd. Tsis tas li ntawd, txhua lub khob uas muaj qhov ntxhib ntxhib ntxhib los mos los yog stains yuav tsum tau hloov tam sim ntawd. Hauv cov cheeb tsam xws li Hainan, kev nplua rau kev tswj hwm raug txwv rau kev siv cov khoom siv pov tseg, tsis yog-degradable yas khob ua los ntawm cov khoom PP, raws li * Cov Kev Cai ntawm Hainan Special Economic Zone ntawm Kev Txwv Tsis Pub Siv Cov Khoom Siv Tsis Muaj -degradable Plastic Products*.
