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Package Size: 4 x 3.6 x 1.1 inches
The Bel-Art Scienceware F377861000 PS magnetic stir bar restrainer removes a magnetic stir bar from a container without touching the contents of the container to help prevent splashing and contamination of contents when emptying containers in laboratory stirring applications. It can be used with magnetic stir bars up to 3" (80 mm) long. The restrainer is made from polystyrene (PS), which provides resistance to chemicals and abrasion, and it can be operated with one hand. It is for use in laboratory stirring applications.
Magnetic stir bars (sometimes called stirring bars, spin bars, or fleas) are used to stir a liquid or solution in biological, chemical, medical, and research laboratory applications. The stir bar is placed inside a container of liquid or solution that is seated on a magnetic stirrer (also called a magnetic mixer), which is a laboratory device that creates a rotating magnetic field using a rotating magnet or multiple stationary electromagnets. The rotating magnetic field causes the bar to spin, which stirs the liquid or solution. Stirring bars are offered in a variety of sizes and shapes, and they are encased in materials such as glass or plastic to help prevent contamination of the liquid or solution, to reduce friction, and to provide resistance to chemicals, abrasion, and heat. The bar may have a pivot ring or pivot point to minimize contact with the container, reduce friction, and improve its spinning. The size and shape of the container and the volume and viscosity of the liquid or solution to be stirred determine which stir bar shape, size, and casing will suit a particular application.
Bel-Art Products manufactures scientific products, including labware, testing equipment, and safety supplies, under the Bel-Art and Scienceware brands. The company, founded in 1946, is headquartered in Wayne, NJ.
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