Magnetic stir bar,30pcs 8mm*30 mm large size of magnetic stir bar in one package.Stirrer Mixer Stir Bar Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications.
Stir bars are coated with Teflon (PTFE) covering, built-in pivot axle helps to reduce vibration and wear during stirring.
With acid and alkali resistance, resistant to a variety of organic solvents, almost insoluble in solvents.
High temperature up to 250 ℃, low temperature up to -196 ℃.