<prompt> Which is a nonabsorbable sutureVicrylPolypropyleneCatgutPDS  <response>: Absorbable suture materials are: plain catgut, chromic catgut, vicryl polyglactic acid,dexonpolyglycolic acid, maxonpolyglyconate, PDS poly dioxanone suture material , monocryl, biosyn.Non absorbable suture materials are silk, polypropylene prolene, polyethylene, cotton, linen, steel, polyester, polyamide, nylon.Reference : page 1172 SRBs manual of surgery 5th edition 