Mechanism sanwici karfe farantin ne wani sabon ƙarni na gine-gine ado farantin da biyu yadudduka na launi shafi karfe farantin (ko wasu abu bangarori) da kuma high polymer zafi rufi ciki core na maturation gyare-gyare da high ƙarfi m, ta hanyar high gudun m atomatik gyare-gyaren inji dumama, hadaddiyar matsa lamba, bayan iska, birgima tsagi.An kafa farantin karfe na waje don cikakken la'akari da tsari da bukatun ƙarfin, kuma an kafa Layer na ciki azaman farantin lebur don saduwa da buƙatu daban-daban.Sandwich panel kyau bayyanar, mai haske launi, mai kyau overall sakamako, da samfurin kafa load-hali, zafi kiyayewa, wuta rigakafin, ruwa mai hana ruwa a daya, kuma babu bukatar sakandare ado, da fadi da kewayon amfani, musamman dace da tsarkakewa na shuka yadi, rufi da tsaftataccen wurare da manyan injiniyoyin aikin rigakafin gobara, sabon kayan gini ne masu nauyi.