Uxcell 20mm(0.79 ) with Ring Shape PTFE Magnetic Stirrer Mixer Stir Bar White 4 Pack

Uxcell 20mm(0.79 ) with Ring Shape PTFE Magnetic Stirrer Mixer Stir Bar White 4 Pack Made of magnetic steel with PTFE coating good resistance to high temperatures corrosion abrasion and high rotational forces. Smooth surface reduce friction and improves smooth rotation easy to clean. Can be used with various types of magnetic stirrers or heating stirrers. Good temperature resistance high temperature up to 250 ℃ low temperature up to -180 ℃. Widely used to stir liquids or solutions in biology and chemistry field and research laboratory applications.