Hauv peb lub neej txhua hnub, peb yuav tuaj yeem hu rau lub hnab ntim yas ntim txhua hnub. Nws yog qhov tseem ceeb thiab tseem ceeb ntawm peb lub neej. Txawm li cas los xij, muaj cov phooj ywg uas paub txog cov khoom ntim yas ntim. Yog li koj puas paub dab tsi yog cov khoom siv uas nquag siv ntawm hnab yas ntim khoom?
Cov khoom siv uas nquag siv ntawm cov hnab ntim yas ntim tau raws li hauv qab no:
1. PE Yas Hnab Ntim
Polyethylene (PE), sau ntawv luv raws li PE, yog lub siab-molecular organic compound ua los ntawm ntxiv polymerization ntawm ethylene. Nws raug lees paub tias yog cov khoom noj zoo hauv ntiaj teb. Polyethylene noo, oxygen-progenant, acid-resistant, alkali-resistant, tsis muaj tshuaj lom, thiab tsw ntxhiab tsw, thiab tsw. Nws ntsib cov qauv kev tu cev ntawm cov zaub mov ntim khoom noj thiab yog lub npe hu ua "paj yas".
2. PO hnab ntim khoom yas ntim
Po yas yas (polyolefin), sau ntawv luv li pog, yog polyolefas copolymer, cov polymer ua los ntawm Olfin Monomers. Opaque, crisp, tsis muaj tshuaj lom, feem ntau ua po tiaj tus hnab, po vest hnab, tshwj xeeb tshaj yog PO hnab ntim yas ntim.
3. PP Yas Ntim Hnab
PP Yas Ntim Hnab yog cov hnab yas ua los ntawm polypropylene. Lawv feem ntau siv xim luam ntawv thiab offset cov luam ntawv cov txheej txheem nrog cov xim ci. Lawv yog ncab polypropylene plastics thiab zwm rau ib hom ntawm thermoplastic. Tsis-toxic, tasteless, du thiab pob tshab.
4. OPP Yas Ntim Hnab
OPP Yas Ntim Hnab yog ua los ntawm polypropylene thiab bidirectional hnab polypropylene, yaj thiab tsis muaj pa luam yeeb tom qab tawm hauv hluav taws, thiab pheej hlawv. Nws muaj cov yam ntxwv ntawm siab transparency, brittleness, kev sib khi zoo, thiab muaj zog los tiv thaiv kev tawm tsam.
5. PPE Cov Hnab Ntim Yas Ntim
PPE hnab yas ntim yog ib qho khoom tsim los ntawm kev sib txuas PP thiab PE. Cov khoom yog hmoov av-pov thawj, tiv thaiv kab mob, tshuaj tua kab mob, cov tshuaj tiv thaiv kub, muaj zog ua kom muaj zog, muaj zog sib cav thiab kua kub ua haujlwm, thiab lwm yam.
6. EVA Hnab Yas Ntim
EVA yas hnab (lub hnab ntim khov) yog yog ua los ntawm polyethylene tensile cov ntaub ntawv thiab kab ntawv, muaj 10% cov khoom siv. Zoo transparency, oxygen Barrier, ua pov thawj, ci ntsa iab lub hnab, tuaj yeem ua kom pom lub hnab ntawm cov khoom lag luam nws tus kheej, yog cov nplaim taws thiab lwm yam yam ntxwv.
7. PVC Yas Hnab Hnab
PVC cov ntaub ntawv yog te, zoo nkauj pob tshab, cov pob tshab no, ib puag ncig tsis muaj phthalitates thiab lwm yam qauv), thiab lwm yam. Nws muaj kev nyab xeeb thiab huv, ruaj, zoo nkauj thiab kev coj ua hauv tsos, thiab muaj ntau yam nyob hauv kev sib tw. Nws yooj yim heev rau siv. Ntau cov khoom lag luam siab tsim cov khoom lag luam feem ntau xaiv cov hnab ntim rau pob, zoo nkauj nruab lawv cov khoom lag luam, thiab hloov kho lawv cov qib.
Cov ntsiab lus tau qhia saum toj no yog qee cov ntaub ntawv feem ntau siv hauv cov hnab ntim khoom yas. Thaum xaiv, koj tuaj yeem xaiv cov ntaub ntawv tsim nyog los ua cov hnab yas ntim khoom raws li koj cov kev xav tau tiag tiag.
Lub Sijhawm Post: Dec-18-2021