Magnetic Stir Bar, PTFE, 28x8 mm, White

• Magnetic 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 250°C, making them suitable for use with both unheated and heated stirrers • Low friction octagon shape with a center pivot ring helps create a strong mixing vortex, even with more viscous solutions