Bel-Art VWR Spinbar Stir Bars, Egg-Shaped 371305006

These stir bars are Teflon(R) coated Teflon(R) PTFE and are autoclavable. Inside the coating these Bel-Art VWR Spinbar Stir Bars are pure Teflon(R) with a Teflon(R) center and the outside is comprised of an egg-shaped PTFE-coated magnetic core with an outer Teflon(R) coating.