PLA (Polylactic acid) yog thermoplastic aliphatic polyester ua los ntawm cov khoom siv txuas ntxiv dua tshiab xws li pob kws lossis hmoov txhuv nplej siab uas yog cov khoom siv hauv ib puag ncig.Nws muaj kev nruj dua, lub zog thiab nruj piv nrog ABS, thiab tsis tas yuav kaw cov kab noj hniav, tsis muaj warping, tsis muaj cracking, tsawg shrinkage tus nqi, txwv tsis hnov tsw thaum luam ntawv, kev nyab xeeb thiab ib puag ncig tiv thaiv.Nws yog ib qho yooj yim los luam thiab muaj du nto, yuav siv tau rau cov qauv tswv yim, ceev prototyping, thiab hlau qhov chaw casting, thiab loj loj qauv.