Cov thawv ntim khoom noj yog tsim los ntawm ntau yam khoom siv, xws li cov ntawv dawb, kraft ntawv, thiab corrugated cardboard. Txhua yam khoom muaj cov yam ntxwv sib txawv: cov ntawv dawb muaj cov rigidity siab thiab zoo tshaj plaws luam ntawv zoo, ua rau nws zoo tagnrho rau cov khoom noj khoom haus zoo; kraft ntawv yog nrov nyob rau hauv cov organic thiab noj qab haus huv sectors vim nws tej yam ntuj tso kev ntxhib los mos thiab eco-zoo zoo; thiab corrugated cardboard yog nquag siv rau cov khoom noj uas xav tau kev poob siab- tiv thaiv kev thauj mus los ua tsaug rau nws cov khoom zoo tshaj cushioning.
Plastics: PP (Tsis yog. 5, microwave- nyab xeeb), PET (Tsis yog. 1, lub raj mis haus), PS (Tsis yog. 6, ua npuas ncauj ntim), PE / LDPE, thiab lwm yam; ntawm cov no, PP yog qhov zoo tshaj plaws rau cov khoom noj uas muaj cua sov.
Daim ntawv-raws li: Kraft daim ntawv, daim ntawv sib xyaw, ntawv-cov ntaub ntawv yas, thiab lwm yam.; feem ntau yog siv rau cov thawv ntim mis, ceev- cov thawv ntim khoom noj, thiab lub thawv pastry.
Hlau: Tinplate, aluminium poom; muab cov khoom sib khi zoo heev thiab tau siv dav rau cov khoom ntim khoom thiab dej haus.
iav: Chemically ruaj khov; siv rau jams, kaus poom zaub mov, thiab haus fwj.
Cov ntaub ntawv sib xyaw: Aluminium-cov ntaub ntawv yas sib xyaw, ntawv- cov khoom siv yas, thiab lwm yam; muab superior barrier zog.
