44 mm Beaker Bar
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The 44 mm PTFE coated Alnico V beaker bar is designed for maximum stir power. This beaker bar will fit the inside diameter of a 100 mL beaker. It will create a very deep vortex at surprisingly low speeds. Alnico V magnetic cores are an alloy composed of Aluminum, Nickel, and Cobalt. These magnets are one of the most powerful permanent magnet alloys available. PTFE, polytetrafluoroethylene has a remarkable chemical resistance. It is insoluble in all known solvents and will only react with molten alkali metals and fluorine at high temperatures. PTFE may be used at temperatures up to 260° C and it is autoclavable. PTFE accounts for 18% of stir bar diameter
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