7pcs PTFE Magnetic Stirrer Mixer Stir Bar Spinbar Stirring White Color
- Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications.
- High temperature up to 250 ℃, low temperature up to -196 ℃.
- With acid and alkali resistance, resistant to a variety of organic solvents, almost insoluble in solvents.
- Stir bars are coated with Teflon (PTFE) covering, built-in pivot axle helps to reduce vibration and wear during stirring.
- These are brand new, never used, PTFE stirrer bars.
<b>Length Diameter:</b><br> 10mm 5mm<br> 12mm 7mm<br> 20mm 8mm<br> 25mm 7mm<br> 28mm 8mm<br> 30mm 8mm<br> 35mm 9mm<br>