Stir Bar, Magnetic Stir Bar

Our Magnetic Stir Bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available. Offered in many shapes from round, octagonal, egg-shaped and more, these Teflon coated Magnetic Stir Bars resist harsh chemicals and are resistant to scratching and high temperatures. There are several measures that should be noticed to increase the life span of magnetic stir bars. First, stir bars should be stored in pairs to maintain magnetic strength. Stir bars should not be stored in a random mass or dropped on a hard surface especially steel. PTFE thickness accounts for 18% of stir bar diameter.

Giant Spinbar® Stir Bars, Polygon Product #: 58948-972		Spin-Wedge® Stir Bars Product #: 58949-232		Spinbar® Magnetic Retrievers, Polyethylene, SCIENCEWARE* Product #: 58949-280		Spinbar® Micro Stir Bars Product #: 58948-069
from $89.51		from $6.71		from $10.25		from $23.99
Spinbar® Stir Bars, Egg-Shaped Product #: 58949-002		Spinbar® Stir Bars, Octagon Product #: 58947-106		Spinbar® Stir Bars, Octagon, Color-Coded Product #: 58948-074		Spinbar® Stir Bars, Polygon Product #: 58948-072
from $6.97		from $3.57		from $165.09		from $93.22
Spinbar® Stir Bars, Polygon Product #: 58948-080		Spinbar® Stir Bars, Round Product #: 58947-150		Spinplus®Stir Bars Product #: 58947-820		Spinvane® Stir Bars Product #: 58949-270
from $3.63		from $4.65		from $7.02		from $7.84

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Magnetic Stir Bar