Kanggo cangkang kapsul, amarga digawe saka aluminium, aluminium minangka bahan daur ulang tanpa wates.
Kopi kapsul umume nggunakake casing aluminium. Aluminium minangka bahan sing paling protèktif saiki. Ora mung bisa ngunci ambune kopi, nanging uga bobot entheng lan dhuwur kekuatan. Ing wektu sing padha, aluminium nglindhungi kopi saka zat asing kayata oksigen, Kelembapan lan cahya. For coffee grounds, you can leave them untreated, but dry them and recycle them with the capsule shell; I usually use them as fertilizer for flowers.
What to do with recycled coffee capsules?