PTFE magnetic stirrer mixer stir bar science lab experiment equipment<br> Stiring bar mixers, coated in white PTFEcorrosion resistance, acid & alkali resistance, high temperature resistance<br> PTFE casing is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning<br> For stir a liquid or solution in biological, chemical, research laboratory applications<br> Safe for use in food, and cosmetic applications & pivot ring helps reduce friction, vibration and wear<br> Dia*Length : 9x45mm<br> MaterialPTFEPolytetrafluoroethylene<br> Type B : Octagonal shape<br> Color White<br> Specification:<br> A magnetic stirrer or magnetic mixer is a laboratory device that employs a rotating magnetic field to cause a stir bar (or flea) immersed in a liquid to spin very quickly, thus stirring it. The rotating field may be created either by a rotating magnet or a set of stationary electromagnets, placed beneath the vessel with the liquid.<br> Package Includes:<br> 1 piece PTFE Magnetic Stirrer(7 Pack)<br> Note:<br> Due to manual measurement, there may be 1-2cm error in size<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia