Polygon Spinbar® Magnetic Stirring Bars with Pivot Ring
By Bel Art Products
These stirbars have polygon multifaceted surfaces that add turbulence relative to similar smooth size cylindrical bars. Center molded pivot ring minimizes the contact area between the bar and the vessel; reduces friction and chattering. Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® PTFE low friction coating. Autoclave safe.