Pesfehhy 7PcsPack Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars Plate Magnet Stick Type-B Set

Wide application: the stir plate magnet bar can work well with various types of magnetic stirrers or heating stirrers, and is often applied to stir a liquid or solution in scientific research, universities and laboratories Features: the laboratory bar has acid and stability as well as organic solvent tolerance, and is almost insoluble in solvents; The maximum temperature is 250 degrees centigrade and the minimum temperature is -196 degrees centigrade How to use: you can place inside a container of liquid or solution that is seated on a magnetic stirrer, and use a rotating magnet or multiple stationary electromagnets to create a rotating magnetic field Stir bars are coated with PTFE covering, built-in pivot axle helps to reduce vibration and wear during stirring Quality material: the rod magnetic mixer is made of quality PTFE, and its cylindrical shape and smooth reduce friction and improve smooth rotation, for laboratory