PET / PLA Ntawv Extrusion Kab
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PET / PLA Ntawv Extrusion Kab
Biodegradable yas hais txog cov khoom siv uas tuaj yeem degraded rau hauv cov khoom hnyav molecular los ntawm cov kab mob lawv tus kheej los yog cov zais ntawm cov kab mob hauv qee yam mob. Lub US Food and Drug Administration tau teev tseg tias, tshwj tsis yog cov yas biodegradable thiab cov yas dej-degradable tsawg heev uas tuaj yeem siv rau hauv cov ntim khoom noj, lwm yam xws li cov yas photodegradable los yog lub teeb thiab biodegradable plastics tsis ua raws li cov cai raws li cov khoom ntim khoom noj.