Goldleaf Scientific - PTFE Magnetic Rare Earth Stir Bar, Oval

$23.92 Excl. tax
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These Samarium-cobalt magnet stirrer bars use rare earth magnets to provide significantly increased magnetic strength compared to Alnico magnets and are almost totally resistant to demagnetization. They are identified by a carbon black spot, which is chemically inert. Samarium–cobalt has a higher Curie temperature, creating a niche for these magnets in applications where high field strength is needed at high operating temperatures. They are highly resistant to oxidation.