Polylactic acid tow is made from corn, wheat, sugar beet and other starchy agricultural products, which are fermented to produce lactic acid, and then polycondensed and melt-spun. Polylactic acid fiber is a kind of raw material that can be planted and is easy to plant. Synthetic fibers that naturally degrade in nature.
It can be decomposed into carbon dioxide and water by microorganisms in soil or seawater. When burned, it will not emit poisonous gas and cause pollution. It is a sustainable ecological raw material.