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Extended holiday returns
FREE refund/replacement until Jan 31, 2027 Learn more
FREE refund/replacement until Jan 31, 2027 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, Nov 17
At a glance
- Condition
- New
- Model
- CL-GW-1
- Dimensions
- 2"L x 3"W x 0.2"Th
- Weight
- 0.03 kg
- Color
- white
- Material
- PTFE (Polytetrafluoroethylene)
- Shape
- Cylindrical
Features 5
- 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, creating a rotating magnetic field using a rotating magnet or multiple stationary electromagnets.
- Stir bars are coated with Teflon (PTFE) covering, which is chemically inert and can be used with corrosive chemicals, also helps reduce friction and wear while spinning
- Individual shapes create different vortexes for efficient and effective stirring
- Brand new, never used PTFE stirrer bars.
Description
Using rotating magnets or multiple fixed electromagnets to generate a rotating magnetic field with high rotational force can fully stir the sample. Stir bars are coated with Teflon (PTFE) covering, which is chemically inert and can be used with corrosive chemicals, also helps reduce friction and wear while spinning. A set of 10 sizes of magnetic stirring rods suitable for different scenarios. Different sizes and shapes generate different vortices, achieving efficient mixing. Widely used for stirring liquids or solutions in biological, chemical, medical, and research laboratories.
Specs 16
| Material | PTFE (Polytetrafluoroethylene) |
|---|---|
| Brand | Yizerel |
| Product Dimensions | 2"L x 3"W x 0.2"Th |
| Color | white |
| Shape | Cylindrical |
| Brand Name | Yizerel |
| Number of Items | 10 |
| Manufacturer | noorlee |
| UPC | 785197262157 785197261891 |
| Unit Count | 10 Count |
| Item Weight | 0.03 kg |
| Model Number | CL-GW-1 |
| Part Number | CL-GW-1 |
| Material Type | PTFE (Polytetrafluoroethylene) |
| Item Dimensions L x W x Thickness | 2"L x 3"W x 0.2"Th |
| Number of Pieces | 10 |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Nov 17
Yes, absolutely! This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Is what it is
Worked good i had never seen one these better than stirring
Reviewed in the United States on July 17, 2026 by Michal vickers
Perfect variety stirrers for various containers
I loved the range in size. The tiny ones proved to be very useful when mixing solutions in small amber bottles. All of the magnetic stirring bars work well and fit our needs. I initially wanted at least one long bar, but am glad for the sizes that were included in the set as I can mix and match to fit my needs. I definitely recommend this product if you find that you're in need as it arrived rather quickly. Storage and clean up are a breeze! With more time, I can provide an update on the durability of the stirring bars as we haven't had them to use for an entire week.
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Reviewed in the United States on June 24, 2019 by Amazon Customer
Magnetic Stir Bars: Good, But Some Are Too Small for Their Own Good
I ordered this 10-piece set of PTFE magnetic stir bars, and let me tell you, I give it four out of five stars. Why? Because some of these stir bars are so small, they make me wonder what kind of science experiment involves mixing atoms! I admit, I didn’t really know what size I needed for my setup, so I went with the multi-pack. It’s like ordering the sampler platter at a restaurant—you’re bound to get something you didn’t know you didn’t want. The stir bars work fine, but the ones below 12mm? I don’t know what they’re for, unless you’re trying to stir a droplet of water. These tiny guys are so small, they just stick to the bottom of the vial like they’re on vacation, sunbathing instead of doing their job. They connect polarly and just spin around the bottom like a lazy Susan. I’m taking off one star because, really, what’s the point? So, if you need a reliable stir bar, these are solid. But unless you’re doing some micro-mixing, you might end up with a few that just sit there, taking up space. It’s not the bars’ fault; it’s mine for thinking I needed the whole variety pack. But hey, now I’ve got a set of science accessories for ants!
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Reviewed in the United States on August 10, 2024 by C-Dub
Looks okay.
The price is just about right. The bars all appear decently made, though the Teflon appears it may be just a bit porous. Can't yet say how they'll do in long service. The tiniest one is *really* tiny, I can't imagine ever using it. I used one of the midsize bars in a recrystallization already. Did its job. All considered, I see no reason to take away any stars.
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Reviewed in the United States on July 30, 2019 by Camco
For us lab wierdos
Good size assortment, decent price.
Reviewed in the United States on April 29, 2026 by DA
Excellent quality for everyday use; strong magnets work well with my stirrer
For the price I expected these to be less-than-top quality, but I'm pleasantly surprised. The surfaces are smooth and consistent, and the magnets are strong, and couple well with my magnetic stirrer. I probably wouldn't use them in an industrial lab environment with non-aqueous solvents, but for my mild and dilute aqueous solutions, used for only a few minutes per week, they work perfectly.
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Reviewed in the United States on July 5, 2020 by Lee Daniels
All stirrers works great!
These all work great no matter the size. But only thing I didn't like about these was the fact that they got stained after the first use. But the advertisement says they are corrosion and chemical resistant. So why would they get stained if they were? I was going to return them for a different set of stirrers I had in my cart. But decided to just keep them for now and test the whole pack to see if they all get stained like smaller ones in my pictures. I will update this review later.
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Reviewed in the United States on August 27, 2018 by HumanTesting
All the stir bars you'll ever need
Wile I don't use every one of these bars, I am glad I bought the set. After some trial and error I found bars that seemed most appropriate for the volume/container I was stirring. I have used them in as small a volume as a 50ml beaker to a 5L Erlenmeyer flask. Of course, your stir plate has to be up to the task. Would not hesitate to purchase this set.
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Reviewed in the United States on April 23, 2020 by K. James