4 Pcs 30mm (1.8 Inch) PTFE Magnetic Stirrer Mixer Stir Bars - Laboratory Stir Bars with Black Magnetic Retriever for Stir Plates | Ideal for Chemistry Labs, Home Experiments & Scientific Research

Magnetic Stir Bars are used to stir a liquid or solution in biological, chemical, medical and research laboratory applications. Packlist: 4Pcs stir bars +1pc black stir bar retriever for stir bar retrieval.

Magnetic stirrer bars are constructed with a magnet assembled in and PTFE coating, resistant to corrosion and abrasion, nontoxic; durable and inert

They are a popular way of stirring liquids in modestly sized containers; perfect for chemistry and biology research, home-lab use; home brewers to make a yeast starter, or tinctures/salves

The Stir Bar Retriever follows the lines on the outside of the container to help you easily pick up the stir bar from the bottom of the container. Does not get wet. The perfect accessory for a black magnetic stirrer.

The package contains 4 magnetic stirring bars (8*30mm) + 1 stirring bar retriever

High & low temperature resistance Maintain a good mechanical toughness between 196℃ ~250℃. Even if the temperature dropped to -196℃, it can also maintain a 5% elongation.