Abubuwan da za a iya lalata su kayan ne waɗanda za a iya rushe su gaba ɗaya zuwa ƙananan ƙwayoyin ƙwayoyin cuta ta ƙwayoyin cuta (misali, ƙwayoyin cuta, fungi, da algae, da sauransu) ƙarƙashin yanayin muhalli na yanayi na dacewa da tsayin daka.A halin yanzu, an raba su zuwa manyan nau'i hudu: polylactic acid (PLA), PBS, polylactic acid ester (PHA) da kuma polylactic acid ester (PBAT).
PLA yana da biosafety, biodegradability, kyawawan kaddarorin inji da sauƙin sarrafawa, kuma ana amfani dashi sosai a cikin marufi, yadi, fim ɗin filastik na noma da masana'antar polymer biomedical.
Ana iya amfani da PBS a cikin fim ɗin marufi, kayan tebur, kayan tattara kumfa, kwalabe na yau da kullun, kwalabe na magani, fina-finai na aikin gona, kayan aikin kashe kwari da sauran filayen.
Ana iya amfani da PHA a cikin samfuran da za a iya zubar da su, kayan aikin tiyata don na'urorin likitanci, marufi da buhunan takin, sutures na likitanci, na'urorin gyarawa, bandages, alluran orthopedic, fina-finai masu hana mannewa da stent.
PBAT yana da fa'idodin yin fim mai kyau da kuma busa fim mai dacewa, kuma ana amfani da shi sosai a fagen fina-finai na marufi da kuma fina-finan noma.