Magnetic stirring bars are Teflon® molded around Alnico-V magnets. They are resistant to all chemicals commonly found in school laboratories. The bars are available in three sizes.
Teflon stirring bars molded around Alnico-V magnets. Extra strong, white in color. Can be used on your stirrer hot plate at temperatures up to 250 ºC. Resistant to all chemicals commonly found in school laboratories.