Yizerel 10pcs PTFE Magnetic Stirrer Mixer Stir Bar Spinbar White Color

Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications. The stir bar is placed inside a container of liquid or solution that is seated on a magnetic stirrer, creating a rotating magnetic field using a rotating magnet or multiple stationary electromagnets. Stir bars are coated with Teflon (PTFE) covering, which is chemically inert and can be used with corrosive chemicals, also helps reduce friction and wear while spinning Individual shapes create different vortexes for efficient and effective stirring Brand new, never used PTFE stirrer bars.