Dynalon 303745 Round Stir Bar with Ring, PTFE 9.5 x 42 mm

PTFE Round Stir Bars

Features:

• ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available.
• In general PTFE thickness accounts for 18% of stir bar diameter.

Recommended storage requirements:

• Octagonal 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.