Elliptical (Egg-Shaped) Spinbar Magnetic Stirring Bars

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Elliptical (Egg-Shaped) Spinbar Magnetic Stirring Bars

“Eggcellent” for Round Bottom Flasks

Used in conjunction with a magnetic stirring plate, Spinbar® stir bars create uniform, consistent, and thorough mixing of chemical solutions.
Contoured egg shape is ideal for use in round-bottom vessels / flasks; ensures complete mixing
Offers minimal contact when used in plastic containers; minimizes scraping
Egg shape provides pivot point without a separate ring or abrupt change in contour for smoother mixing
Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® brand PTFE Coating; Superior chemical compatibility
Magnets are egg-shaped for more uniform ‘strength’ throughout the bar, except three smallest sizes have a cylindrical magnet
Manufactured in a registered ISO 9001:2015 facility, as verified by SGS certification
Autoclave safe
TEFLON® is a registered trademark of The Chemours Company FC LLC and used under license by Bel-Art Products, Inc.
For information on:
How to choose the correct Stirbar – Choose the Correct Stirbar for your Stirplate
What Stirbar is best for my application – Stirbar Shape and Performance
Stirbar sizes – Stirbar Actual Size Guide
Stirbars that work best in viscous solutions or when stirring at high speeds – Rare Earth Stirbar – Stronger Coupling

Catalog No.: Fits Round Bottom Flasks Dimensions (L X Dia.) Quantity / Pack
F37130-0038 10 and 25ml ⅜ x ³/₁₆" (9.5 x 4.7mm) 1
F37130-0058 10 and 25ml ⅝ x ¼" (15.9 x 6.35mm) 1
F37130-0034 10,25,50,100ml ¾ x ⅜" (19.1 x 9.5mm) 1
F37130-0001 100 and 200ml 1 x ½" (25.4 x 12.7mm) 1
F37130-0114 300 and 500ml 1¼ x ⅝" (31.8 x 15.9mm) 1
F37130-0112 300 and 500ml 1½ x ⅝" (38.1 x 15.9mm) 1
F37130-0158 500 and 1000ml 1⅝ x ¾" (41.3 x 19mm) 1
F37130-0002 2000 and 3000ml 2 x ¾" (50.8 x 19.1mm) 1
F37130-0212 3000 and 5000ml 2½ x ¾" (63.5 x 19mm) 1
F37130-0003 12000 and 22000ml 3 x ¾" (76 x 19.1mm) 1
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