Polylactic Acid (PLA) is a new biodegradable and biodegradable material, which is made from starch extracted from renewable plant resources (such as corn). The starch raw material is saccharized to get glucose, and then the glucose and certain strains are fermented to produce high purity lactic acid, and then the polylactic acid with certain molecular weight is synthesized by chemical synthesis method. It is pollution-free in the production process and has good biodegradability. After use, it can be completely desorbed by microorganisms in nature under specific conditions, and eventually generate carbon dioxide and water. It is recognized as an environment-friendly material without polluting the environment. PLA environment-friendly material is biodegradable, so it is a good choice to replace PVC in making smart cards. PLA material can be used to encapsulate smart cards, บัตร IC, CPU cards, นามบัตร, เป็นต้น, is a harmless human body degradable environmental protection material.
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