Dynalon Stir Bar Octagonal, PTFE 0.3125 x 2"

Dynalon stir bar octagonal, ptfe 0.3125 x 2";
our ptfe octagonal stirring bars feature… alnico v magnetic cores which are one of the most powerful permanent magnet alloys available.
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.
in general…ptfe thickness accounts for 18% of stir bar diameter.octagonal stirring bar kits ptfecontains octagonal stirring bars shown below. Designed to meet your requirements for a variety of sizes. The 16 piece kit is packed in a reusable box - DYNA