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PTFE Magnetic Stirrer Mixer Stir Bar, White Color, Stir Rod Magnetic, Laboratory Bar, Stir Plate Bar, Stir Plate Magnet Stick (8 Pieces,30 mm/ 1.18 Inch)
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Shipping & Fee Details
| Price | $9.99 | |
| AmazonGlobal Shipping | $9.05 | |
| Estimated Import Fees Deposit | $0.00 | |
| | ||
| Total | $19.04 | |
Purchase options and add-ons
| Material | Polytetrafluoroethylene |
| Brand | Weewooday |
| Product Dimensions | 0.31"L x 0.31"W x 1.18"Th |
| Color | white |
| Shape | Cylindrical |
About this item
- Features: magnetic stir bar can resist high temperatures, corrosion, abrasion and high rotational forces, and has the properties of fine workmanship, no impurities and burrs on the surface, stable speed and no deviation
- Quality material: PTFE magnetic stirrer is made of PTFE and quality magnetic steel, and the cylindrical shape and smooth surface will reduce friction and improve smooth rotation
- More other applications: laboratory bar is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors, and also can be applied to stir mixed substances
- Widely applicable: stir plate magnet bar will work well with various types of magnetic stirrers or heating stirrers
- Package includes: comes with PTFE magnetic stir bars in our package, all of them are 30 mm/ 1.18 inch
Additional Details
Frequently bought together

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Product details
- Product Dimensions : 0.31 x 0.31 x 1.18 inches; 2.08 ounces
- Item model number : Weewooday-PTFE Magnetic Stirrer-01
- Date First Available : July 8, 2020
- Manufacturer : Weewooday
- ASIN : B08L3KXRCB
- Country of Origin : China
- Best Sellers Rank: #3,669 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #1 in Lab Stirrers
- Customer Reviews:
Product Description
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The stir bar is magnetic, and its two ends have opposite polarities. |
Compact size allows you to put it in most measuring cups. |
High lubrication and lowest coefficient of friction in solid material. |
Instructions:
Place the magnetic stirrer bar in a beaker, graduated cylinder or other container. Place the container on the platform of the electromagnetic heating stirrer, and then turn on the switch of the electromagnetic heating stirrer. The magnetic stirrer will generate rotational force to drive the substance to rotate quickly. In this way, the substance is completely mixed, and the substance can be concentrated by heating.
Videos
Videos for this product

1:03
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Great Stirrers ! Work Great With My Magnetic Plates!
David Sherva

Videos for this product

0:41
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Magnetic Stirrer Mixer Stir Bar
Charlinuoer
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, mixing ability, and value of the product. They mention it works great, is incredibly reliable, and durable. Some also like the size. However, some customers have mixed opinions on the magnet quality.
AI-generated from the text of customer reviews
Customers are satisfied with the quality of the product. They mention it's incredibly reliable and efficient. Some say the encapsulation is still intact after many hours of use.
"...They are a must-have for any laboratory looking for dependable and durable stirring tools. Highly recommended!" Read more
"Good quality." Read more
"great product. I will buy more." Read more
"...The magnets are either not balanced or not strong enough." Read more
Customers like the performance of the magnet. They mention it works great for mycology and has no issues during lab testing.
"...I use them in prepping sauces and broths when cooking. These work just fine and with several extra I've got plenty to not have to stop and wash..." Read more
"Works Great and arrived on time." Read more
"...A very good choice for your mycology projects." Read more
"Work great" Read more
Customers like the mixing ability of the product. They mention it works well for stirring things utilizing a magnetic plate. The stirring surface helps get everything mixed properly. It works seamlessly with their stir plate, providing consistent and smooth stirring every time. Some say it has a really smooth Teflon coating.
"...They work seamlessly with my stir plate, providing consistent and smooth stirring every time...." Read more
"This bar allows for a larger stirring surface which helps get everything mixed properly." Read more
"Great for stirring powder nutrients" Read more
"They work great in my Mag Stir I haven't had any problems with the strength of the magnet yet. A very good choice for your mycology projects." Read more
Customers appreciate the value of the magnet. They mention it's well-packaged and the seller provides fast shipping.
"quick delivery and great price. my kind of deal." Read more
"These are a good price for stir bars- and they work when you use them on a stir plate." Read more
"...Still, 23/24 are perfect so well worth the money." Read more
"Excellent product; great value for money cost.Great performance during my lab testing." Read more
Customers are satisfied with the size of the product. They mention it's ideal for most standard lab containers and the correct size works great.
"...easy to spot in different solutions, and their size is ideal for most standard lab containers...." Read more
"Great for mycology, good size for a quart jar of liquid culture." Read more
"...small and dont function like the other 5 i receive of the correct size work great." Read more
"Small. Spinny. Awesome...." Read more
Customers have mixed opinions about the magnet quality. Some mention it works fantastic, while others say it's weak and busts open.
"Simply works with my small magnetic mixer!" Read more
"...These are very good quality magnets, my nerdy husband couldn’t stop playing with them." Read more
"...Very disappointed with it. The magnets are either not balanced or not strong enough." Read more
"Extra magnets, come in handy." Read more
Customers are dissatisfied with the spin control of the utility magnet. They mention it bounces around all over the place, rattles, and doesn't spin as they increase speed. Some say 13 don't spin properly and are severely off-balanced.
"...and they do fine at lower end RPMs, but they bounce and shake instead of spinning when increasing speed too quickly or going above 950 RPM...." Read more
"...I have ordered around 80 of these total. Out of those 13 don't spin properly. They are severely off balance. Aside from that they work well...." Read more
"They just spin out of control and bounce around all over the place" Read more
"Not balanced, rattles and does not spin as I increase speed, have to keep on low speed...." Read more
Reviews with images
Stir bar for yeast starter
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These stir bars are incredibly reliable and efficient. The PTFE coating ensures they are chemically resistant and easy to clean, which is crucial for maintaining the integrity of my experiments. They work seamlessly with my stir plate, providing consistent and smooth stirring every time.
The white color makes them easy to spot in different solutions, and their size is ideal for most standard lab containers. Overall, I am very impressed with the quality and performance of these stir bars. They are a must-have for any laboratory looking for dependable and durable stirring tools. Highly recommended!






























