Ilimin asali na fim ɗin filastik

A cikin kalmomin JANAR MAKULLA na ƘASA (GB4122-83), ma'anar makullin mai sassauƙa shine: makullin mai sassauƙa yana nufin makullin da zai iya canza siffar akwati bayan cika ko cire abubuwan da ke ciki. Duk nau'ikan jakunkuna, akwatuna, sets da ambulaf da aka yi da takarda, foil ɗin aluminum, zare, fim ɗin filastik da hadaddun su makullin mai sassauƙa ne. Gabaɗaya, ana kiran filastik ɗin takarda mai kauri ƙasa da 0.25mm. Fim ɗin filastik yana da haske, sassauƙa, tare da juriyar ruwa mai kyau, juriyar danshi da juriyar iska, ƙarfin injiniya mai kyau, halayen sinadarai masu karko, juriyar mai, rubutu mai sauƙi don bugawa, jakar hatimi mai zafi. Yana iya biyan buƙatun makullin kowane irin kayayyaki, ana amfani da shi a cikin makullin mai sauƙin adanawa, abinci mai sauƙin sanyawa, buƙatun yau da kullun, ƙananan kayan fakitin babban kanti kayan aiki ne mai kyau. Guangdong Danqing Printing Co., Ltd yana da shekaru 30 na ƙwarewa a kera makullin mai sassauƙa, galibi yana samar da jakar makulli, jakar zik ​​ɗin tsaye, fim ɗin birgima na filastik da sauransu; Yana bayar da bugu mai kyau, yana iya bugawa har zuwa launuka 13.

Buga marufi mai sassauƙa wanda aka yi da fim ɗin filastik yana taka muhimmiyar rawa wajen buga marufi. A bisa kididdiga, tun daga shekarar 1980, marufin filastik a wasu ƙasashe masu ci gaba a duniya ya kai kashi 32.5% ~ 44% na dukkan marufin.

Gabaɗaya dai, saboda kayan fim ɗaya ba su dace da kariyar ciki ba, don haka ana amfani da nau'ikan fina-finai fiye da biyu don haɗawa cikin wani Layer na fim ɗin haɗaka, don biyan buƙatun adana abinci, fasahar marufi ta aseptic. Zaɓin kayan waje na fim ɗin haɗaka ba shi da sauƙin gogewa, lalacewa, kyakkyawan aikin gani, kyakkyawan aikin bugawa na kayan, kamar: takarda, cellophane, tensile polypropylene, polyester, da sauransu; Layer na tsakiya polymer ne mai shinge, kamar: aluminum foil, tururi aluminum, polyvinyl diazene kayan ciki na lantarki galibi an zaɓa su ne waɗanda ba su da guba, marasa ɗanɗano polyethylene da sauran resin thermoplastic.