PTFE Stirring Bars and Accessories
• 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.