SpinPlus Stir Bar, 1"× 1"

Extra strength Teflon stirring bars molded with alnico-V magnets permanently coated with white PTFE. Inert to almost all chemical reagents. Can be used with temperatures up to 250 °C. Excellent electrical properties, good thermal stability and very low static and dynamic coefficients of friction. The "+" shape creates a deep vortex and provides stable, quiet operation.