Nnyefe ngwa ngwa, ịdị mma dị mma, ọnụahịa dị mma.
Ngwaahịa ndị a dị mma nke ukwuu, nwere nghọta dị elu, elu na-egbuke egbuke, enweghị isi kristal, yana ike iguzogide mmetụta siri ike. Ọnọdụ nkwakọ ngwaahịa dị mma!
Nkwakọ ngwaahịa ahụ bụ ngwa ahịa, o juru m anya na anyị nwere ike ịzụta ngwaahịa ndị dị otú ahụ n'ọnụ ahịa dị ala.
A na-akpọkwa ihe nkiri PVDC a kpụchara akpụcha PVC Polyvinylidene chloride ( PVDC ). Ihe nkiri PVDC a kpụchara akpụcha PVC na-arụ ọrụ dị mkpa na nkwakọ ngwaahịa blister dị ka lamination ma ọ bụ mkpuchi na PVC . Ihe nkiri PVDC a kpụchara akpụcha PVC nwere ike ibelata gas na mmiri nke ngwugwu blister PVC site na ihe dị ka 5–10. A na-etinye mkpuchi PVDC n'otu akụkụ ma na-eche ihu na ngwaahịa na ihe mkpuchi ahụ.
A na-eji PVC (Polyvinyl chloride) na PVDC (polyvinylidene chloride) eme ihe n'ọgwụ dị ka ihe ndị bụ isi e ji echekwa ngwaahịa ọgwụ, nke na-echebe ngwaahịa ọgwụ megide oxygen na isi, mmiri mmiri, nnyefe uzuoku mmiri, mmetọ, na nje bacteria. Ihe ndị a na-eme ka ihe nkiri PVDC e ji ekpuchi PVC ihe a họọrọ maka nkwakọ ngwaahịa blister. Ihe nkiri PVDC PVC e ji ekpuchi PVDC PVDC , 90 g/m² PVDC , 120 g/m² PVDC .
A na-ejikarị ihe nkiri ọnya dị iche iche dabere na ihe nkiri PVDC a kpụchara akpụcha PVC eme ihe maka nkwakọ ngwaahịa ọnya ọgwụ, nkwakọ nri, ọgwụ, ihe ịchọ mma, na ngwaahịa ndị ọzọ na-emebi emebi ma ọ bụ ndị dị nro iji mee ka ndụ dịgide. Enwere ike iji agba agba na/ma ọ bụ nzacha UV mee ihe mkpuchi { PVC nke a kpụchara akpụcha Polyvinylidene chloride ( PVDC )– PVDC nke a kpụchara akpụcha PVC . Ma e jiri ya tụnyere ọtụtụ ihe nkiri a na-ahụkarị, ihe nkiri PVDC PVC a kpụchara akpụcha nwere ihe mgbochi gas na mmiri dị elu, yana ihe mkpuchi okpomọkụ dị mma. Ihe nkiri PVDC a kpụchara akpụcha PVC na-asọmpikarị na ihe nkiri a kpụchara akpụcha acrylic, PVOH na EVOH.
Nkọwapụta ndị a na-ejikarị eme ihe gbasara PVDC ihe mkpuchi PVC dịka ndị a:
PVC / PVDC : 250 micron PVC / 40 gsm PVDC
PVC / PVDC : 250 micron PVC / 60 gsm PVDC
PVC / PVDC : 250 micron PVC / 90 gsm PVDC
PVC / PVDC : 300 micron PVC / 40 gsm PVDC
PVC / PVDC : 300 micron PVC / 60 gsm PVDC
PVC / PVDC : 300 micron PVC /90 gsm PVDC
Enwere ike ịhazi ọkpụrụkpụ na gsm ndị ọzọ nke ihe nkiri PVDC a kpụchara akpụcha PVC .
Ka anyị chọta ngwọta plastik kwesịrị ekwesị
Ihe nkiri na-ekpuchi nkwakọ ngwaahịa