ʻO ka polylactic acid (PLA) kahi polyester aliphatic thermoplastic.Hiki ke loaʻa ka lactic acid a i ʻole lactide no ka hana ʻana i ka waika polylactic ma ka fermentation, dehydration a me ka hoʻomaʻemaʻe ʻana i nā kumuwaiwai hou.ʻO ka waika polylactic i loaʻa maʻamau, loaʻa nā waiwai mechanical a me ka hoʻoponopono ʻana, a hiki ke hoʻohaʻahaʻa ʻia nā huahana polylactic acid i nā ʻano like ʻole ma hope o ka hoʻolei ʻia.