Magnetic Stir Bars, PTFE, Smooth

Magnetic stir bar is made from ALNICO, one of the strongest permanent magnets available The sintered manufacturing process reduces the chance of decoupling (spin outs), which weaker stir bars often suffer from Encapsulation in PTFE protects both magnet and what it is stirring. Chemically inert and easy to clean Can withstand temperatures up to 225°C, allowing for use with both unheated and heated stirrers Stir bars are completely smooth, making them ideal to use with concave bottomed glassware Color: White Shape: Octagonal cylinder Comes in packs of 10 Find more info here.