Commonly used for implantable medical applications designed to degrade within the body.  

SymbolMaterialExample Grades
PLA Polylactic Acid Purasorb PL, Resomer L
PLG / PLGA Polylactide-co-glycolide Purasorb PLG, Resomer LG
PLC Polylactide-co-caprolactone Purasorb PLC, Resomer LC
PDL Poly-DL-lactide Purasorb PDL, Resomer R
PLDL Polylactide/DL-lactide copolymer Purasorb PLDL, Resomer LR
PDLG Poly-DL-lactide/glycolide copolymer Purasorb PDLG, Resomer RG
PEG PEG copolymers Resomer PEG LP T
PDO Polydioxanone Resomer X