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Toolly Magnetic Stir Bars - PTFE Magnetic Stirrer Mixer, Lab Spinbar with Ring Shape (Diameter 7mm,Length 25mm), Pack of 10

Free shipping on orders over $29.99

$9.99

$ 4 .99 $4.99

In Stock

About this item

  • Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications,it works very great in the flat bottom container
  • With acid and alkali resistance, resistant to a variety of organic solvents, almost insoluble in solvents
  • With the smallest surface tension in the solid material, no adhesion to any substance; the lowest coefficient of friction in solid materials.
  • The stir bar with recessed bezel helps to reduce vibration while stirring.Particularly Useful for Environmental Testing and Life Science Applications in Which Small Sample Volumes Need to be Prepared and Evaluated
  • Provides a larger surface area and added turbulence when the smooth surface of the cylindrical rods compared



Product Description

Magnetic Stir Bars

The stir bar with recessed bezel helps to reduce vibration while stirring.

Particularly Useful for Environmental Testing and Life Science Applications in Which Small Sample Volumes Need to be Prepared and Evaluated.

 acid and alkali resistance

Acid & Alkali Resistance

Resistant to a variety of organic solvents, almost insoluble in solvents.

No Adhesion to Any Substance

With the smallest surface tension in the solid material; the lowest coefficient of friction in solid materials.

Provides a larger surface area

Larger Surface Area

Provides a larger surface area and added turbulence when the smooth surface of the cylindrical rods compared.

Wide Application

Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications;

Works very great in the flat bottom container.


luis
Reviewed in the United States on February 4, 2024
They're good at what they are supposed to do and had no problems autoclaving them but, since they have this wider ring in the center, they tend to hit de glass producing a, sort of, rattiling sound when using them. aside from that, everything is fine.
Bryan
Reviewed in the United States on January 1, 2023
works well
Leo Riley
Reviewed in the United States on September 27, 2022
These stir bars have a ridge in the middle. not sure if this will help or hinder, will update after use.
Ruben Plascencia
Reviewed in the United States on November 17, 2022
They did not explode in the pressure cooker which is good. I use them for mushroom growing.
B Man
Reviewed in the United States on January 20, 2022
I loose these little guys and love how fast I can replace them.
Jonathan E.
Reviewed in the United States on September 6, 2020
Rotates when exposed to a rotating magnetic field. Torque seems to be proportionate to field strength. Can confirm does not autoignite when exposed to atmospheric oxygen. Does not protect against covid.
Mark S.
Reviewed in the United States on August 8, 2020
Works as expected, great price. Fast shipping
Jane Doe Reviews
Reviewed in the United States on August 5, 2020
The perfect size and weight for pint size wide mouth Mason jars. They are well balanced so they spin freely on center unlike another brand I tried first. These work great with my magnetic lab mixer to break up liquid culture for mushroom cultivation. Would definitely recommend and purchase again.
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