Selection of Magnetic Stirrer Bars

Cylindrical Magnetic Stirring Bars They are the most commonly used magnetic stirring bars. Due to their simple shape they can be offered at very attractive prices. Cylindrical magnetic stirring bars offer excellent centering and smooth running characteristics.

Ultra Magnetic Stirring Bars: These magnetic stirring bars have very smooth and seamless surfaces. No substance can penetrate into their surfaces. They are mainly used for high-purity work or trace analysis.

Power Magnetic Stirring Bars: Due to special magnetic material, their torque loads are larger than those of conventional magnetic stirring bars. Power magnetic stirring bars are mainly used for agitating viscous liquids or for bridging larger distances between the magnetic stirring machine and the magnetic stirring bar.

Magnetic Stirring Bars with Pivot Ring: Their interrupted surface provides greater surface area and added turbulence. Only their pivot ring and one end of the magnetic stirring bar touch the bottom of the vessel. Therefore these magnetic stirring bars have a more steady spinning position and better longevity.

Square Magnetic Stirring Bars: They are particularly suitable for big vessels due to the high magnetic force. Solids are released or removed from the bottom of the vessel.

Egg-Shaped Magnetic Stirring Bars:They are particularly suitable for round-bottom flasks. Their shape mimics that of the flasks and assures complete mixing. Those magnetic stirring bars have an egg shaped magnetic core which assures a better force transmission than a cylindrical core.

Triangular Magnetic Stirring Bars: Such magnets are useful for mixing reagents which resist dissolving or for avoiding any residues at the bottom of the vessels. They provide strong turbulence at relatively low speeds.

Glass Magnetic Stirring Bars: They have a non-porous and smooth glass-coating. There is an increased abrasion between glass vessels and glass stirring bars.

Star Head Magnetic Stirring Bars: Optimum stirring in tall, narrow diameter vessels. Ideal stirring bar for cuvettes or test tubes.

Center Magnetic Stirring Bars: These magnetic stirring bars provide better stirring action and a more stable spinning position due to the punctual position.

Tolerances of magnetic stirring bars

The dimensions of the magnetic stirring bars are nominal dimensions which can have a tolerance of +/- 5% in length and +/- 10% in diameter.

 

 

 

Custom Magnetic Stirring Bars

We can customize specific magnetic stirring bars

 

 

 

•These stirring bars can for example be built in devices or can be used for special applications
•The diameter of the magnetic stirring bars can be machined with a tolerance of up to +/- 0,02 mm •The magnetic stirring bars are ground to obtain a seamless amplitude
•The ends are polished to receive a round or any other shape
•The surface is becoming extremely smooth and even, so that contaminations cannot adhere
•Reproducibility both in diameter and surface are granted