Uxcell 80mm(3.15 )x10mm with Ring Shape PTFE Magnetic Stirrer Mixer Stir Bar White

Uxcell 80mm(3.15 )x10mm with Ring Shape PTFE Magnetic Stirrer Mixer Stir Bar WhiteWhat is this? Magnetic stir bars are used to stir liquids or solutions in the biology and chemistry field research laboratory applications etc. Are there any advantages of the product? The magnetic stir bar is made from magnet with PTFE coating the coating is corrosion resistant and has good resistance to high temperature(temperature tolerance range:-180 ℃~250 ℃) smooth surface reduce friction and improve smooth rotation easy to clean. How to use it? Usually used with a magnetic stirrer or heating stirrer quieter more efficient than other stirrers. What should I notice? Please place the magnetic stir bar in the bottom center of container when use. The magnetic stir bar is reusable please wash and dry it after use for next time use.