These stir bars have a pivot ring around the center. They are designed to maintain the optimum position in vessels with curved or uneven bottoms. The ring helps to reduce vibrations and wear, and reduce the effects of friction from contact with the vessel.
Mixer stir bar is made of PTFE and quality magnetic steel.Not easy to demagnetize, will work longer than others.
The laboratory bar is chemical resistant and corrosion resistant; The maximum temperature is 250 degrees centigrade and the minimum temperature is -196 degrees centigrade.
Stirrer bar is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors as well as family usage.
Package includes 10pcs PTFE magnetic stir bar, dimensions: Φ7 × 20mm/0.8 inch.
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