VWR® Spinbar® Magnetic Stir Bars, Polygon with Pivot Ringfrom $6.16
• Reduces marring of plastic containers
• Multifaceted surface adds turbulence relative to similar size smooth cylindrical stirring bars
Polygon stir bars have a center molded pivot ring that minimizes the contact area between the bar and the vessel, thus reducing friction and chattering. Alnico magnet encapsulated in FDA grade PTFE is durable and inert.
Magnetic Stir Bars
Strict quality assurance from The Lab Depot for Magnetic Stir Bars and more than 750,000 other lab supplies means that you will always have confidence in your research and development or quality control results. After all, your laboratory testing procedures should always include using only the very best – whether magnetic stir bars, chemicals, glassware or very sophisticated instrumentation. Always look to The Lab Depot for value and for quality lab supplies.