"Compostable" ndi liwu lophimbidwa ndi chinthu chilichonse chomwe chimatha kusweka kukhala zinthu zopanda poizoni, zachilengedwe.Chifukwa chakuti zimasweka kukhala zinthu zachilengedwe, siziwononga chilengedwe.Momwemonso, matumba omwe ali ndi kompositi akukhala chisankho chodziwika bwino m'mafakitale opaka ndi kupanga.Nthawi zambiri, kuwonongeka kwa compostable bio-plastics kumatenga masiku 90, zomwe ndi nthawi yomwe tsamba la mtengo umodzi limatenga kuti liwole mu nkhokwe ya kompositi.
NK ndi NKME ndiye wosanjikiza wopanda chitsulo komanso wosanjikiza kuti atseke mpweya, chinyezi, kuwala kwa UV, ndi fungo.Zotchinga zake zimafanana ndi aluminiyamu.Zosanjikiza zakunja / Zosindikizidwa zimatha kukhala Mapepala, NK (filimu yowonekera, kulola varnish yosakanikirana ya matte yosindikizidwa ngati mafilimu ena a PET).Kufikira kusindikiza kwamtundu wa 9. Pakalipano, pali mitundu yosiyanasiyana yosakanikirana ya matumba owonongeka, ndipo chiwerengero chochepa cha dongosolo chikhoza kufika ku 1000.