Kayan marufi masu hade

Dangane da ci gaban masana'antar marufi, marufin kayayyaki ya kasance

an kuma ƙirƙiro shi daidai da haka. Daga marufi mai sauƙi na takarda, zuwa layi ɗaya na marufi na filastik, wanda aka ƙera zuwa amfani da kayan haɗin kai mai yawa. Fim ɗin haɗin kai na iya sa abubuwan da ke cikin marufi su kasance da halaye na danshi, ƙamshi, kyau, kiyayewa, haske, gujewa shiga ciki, tsawaita lokacin shiryawa da sauran halaye, don haka muna samun ci gaba cikin sauri.

Kayan haɗin gwiwa kayan aiki ne guda biyu ko fiye, ta hanyar tsari ɗaya ko fiye na haɗin gwiwa kuma a haɗa su tare, don samar da wani aiki na kayan haɗin gwiwa. Gabaɗaya ana iya raba shi zuwa Layer na tushe, Layer na aiki da Layer na rufe zafi. Matsayin tushe galibi yana taka rawa mai kyau, juriya ga danshi da sauran ayyuka. Kamar BOPP, BOPET, BOPA, MT, KOP, KPET, da sauransu, Layer na aiki galibi yana toshewa da guje wa ayyukan haske, kamar VMPET, AL, EVOH, PVDC; Layer na rufe zafi yana da hulɗa kai tsaye da abubuwan marufi, daidaitawa, juriya ga iska, kyakkyawan hatimin zafi, kamar LDPE, LLDPE, MLLDPE, CPP, VMCPP, EVA, EAA, E-MAA, EMA, EBA, da sauransu.