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Supplying Science and Education Since 1957
Stirring Bars

• Our stir bars feature… ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available.

• Stir bars should not… be stored in a random mass or dropped on a hard surface, especially steel.

• Stir bars should… be stored in pairs to maintain magnetic strength.

• In general… PTFE thickness accounts for 18% of stir bar diameter.