Best Lab Stirrer Bars in 2026

4 PTFE magnetic stir bars in 1 package.

PTFE magnetic stir bar is made of PTFE and high quality magnetic steel,its shape is cylindrical,smooth surface,reduce friction and improves smooth rotation.

Mixer Stir Bar is resistant to high temperatures, corrosion,abrasion and high rotational forces.

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

✔ CHEMICAL RESISTANT - Teflon PTFE material can be used with corrosive chemicals, including acid and base

✔ POWERFUL - High quality magnet sealed and coated with PTFE

✔ EASY USE - Helps you easily recover your stir bars in containers

POWERFUL STIRRING: this magnetic stirrer has an adjustable and powerful stirring speed up to 3000 rpm. You can change and select the suitable stirring speed as per your need.

BIG CAPACITY: This stir plate has the maximum of 3000ML. It is very good choice for home brew yeast starters.

WIDE USE: the ANZESER magnetic stir plate can be used for stirring and mixing in food processing, school laboratory, industry, agriculture and home brew, etc. Not suitable for stirring high viscosity liquids, such as epoxy resins, etc.

Quantity：6 PCS stir bars of different sizes and shapes +1 PCS Recycling rod

Suitable for mixing various liquids :Corrosion resistance,No adhesion,Non-toxic

Material : PTFE (Polytetrafluoroethylene), Good Plastic Bag Packing : Clean

✔ CHEMICAL RESISTANT - Teflon PTFE material can be used with corrosive chemicals, including acid and base

✔ POWERFUL - Teflon (PTFE) casing helps reduce friction and wear while spinning

✔ EASY USE - Place inside a container of liquid that is seated on a magnetic stirrer

Octagonal shape creates more turbulence and a stronger vortex than a round, cylindrical shape or a polygonal shape

Teflon (PTFE) casing is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning

Built-in pivot ring helps reduce vibration and wear during stirring

🔍【Meet Demand】Come with teflon-coated stirring bar, support stand with adjustable thermometer holder extends.

🔍【Powerful】 100~2000 RPM speed range ,that’s easily adjustable depending on the project needs., It can meet various experimental needs.

🔍【Rapid Heating 】Max Temp: 380°C/716°F,the magnetic stirrer can stir and heat at the same time.

【4 Stir Bars】 The magnetic Stirrer is equipped with 4 stir bars (1.18'' long). Compact size allows you to put it in most measuring cups.

【Longer Lifespan】 This magnetic stir plate's working plate is made of high quality 5052 Aluminum, It has a longer lifespan and is easy to clean.

【Stir Powerfully】 The Lab Stirrers' Max. stirring speed is 3000 RPM, you can adjust the stirring speed according to the type of solution. Max.capacity 3000ml , ideal for home brew yeast starters.

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.

Parameter of heating magnetic stirrer: Stirring volume:1000ML; Heating power: 150W; Motor power: 25W; Stirring speed: 0-2400 rpm/min adjustable; Max heating temperature: 95 degrees Celsius/ 203 degrees Fahrenheit (60 min), no temperature regulator, you can use a digital thermometer to monitor temp; This lab magnetic hot plate stirrer has a support stand with an adjustable thermometer holder extending.

Control speed scale knob: the 78-1 magnetism stirrer with the control speed scale knob, you can manually control the speed, accurate control, to achieve the most accurate mixing results within a wider speed scope

Quality aluminum magnetic stir plate: the hot plate stirrer is made of Aluminum, with fast warm-up and uniform heating; No noise, no vibration, stirring effect is remarkable

🔬 Adjustable Stirring Speed -- There is a speed regulating device at the bottom of the SH-2 magnetic stirrer hot plate. Rotate clockwise to increase the stirring speed, and counterclockwise to decrease. Adjust as needed. The max stirring speed is up to 2000RPM.

🔬 Rapid Heating -- Heating Power: 180W, Max Temp: 520°F. The magnetic hotplate stirre can stirrer and heat at the same time. Included 1 inch Teflon coated magnetic stirrer bar and thermometer, which can be used to display the temperature during use.

🔬 Advanced Material -- The magnetic stir plate is made of advanced materials, resistant to high temperature, abrasion, and chemical corrosion. Each stir hot plate stirrer has been tested and inspected, and the quality is guaranteed.

【Non-adhesive & Low Friction】Built-in pivot ring helps reduce vibration and wear during stirring. Teflon (PTFE) casing is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning.

【High & Low Temperature Tolerance】Even if the temperature drops to -196℃, it can also maintain 5% elongation. The stiring rods can maintain good mechanical toughness between 196℃～250℃.

【Fit for Most Liquids】The magnetic stirrer stir bars can be used in most chemicals and solvents, showing inert, strong acid and alkali resistance, water and a variety of organic solvents. Corrosion resistant, non-adhesive, non-toxic.

Package includes: 16 * PTFE magnetic stirring bar (8 * big size/1.38inx0.31in, 8 * small size/0.79inx0.27in). These 16pcs set meets all your everyday needs. Small size bars are suitable for 25ml, 50ml, 100ml, 250ml, 500ml of beakers, while big size bars are for 250ml, 500ml, 1000ml, 2000ml, 3000ml of beakers.

These magnetic stirrer mixing bars are made of PTFE material, which are resistant to both extremely high and low temperatures, corrosion, abrasion.

Cylindrical shape and smooth surface reduce friction. Magnetic mixer bars keep stable rotation without vibration even at very high speed.

JOANLAB Digital Overhead Stirrer:Excellent corrosion resistance .Brushless DC motors with low noise for high safety and maintenance-free.Equipped with two mixing paddles to meet your different needs.Self-lock drill chuck design,easy operation

Precise Digital Control/ Timing Function:Competent for high-load and long-term continuous work with outstanding performance.The range of rotate speed is 200-3000 rpm and time range is 0-999min.The LCD displays the set and actual speed values and can monitor the speed and time in real time.

Wide Application:This overhead stirrer with max viscosity up to 30,000mPa·s can mix the liquid with the high viscosity, like lotion,honey. Torque can be adjusted automatically based on the changes of sample viscosity. Capacity reach up tp 20L,it is widely applied to laboratories,medical reseaech,university,food industries,petroleum,chemical and so on.

Easy to Operate - Digital speed control system with a 3D knob that ensures stable movement and prevents splashing. A large LED display, observes speed and time simultaneously even when you are at the other side of the lab

Highest Level of Safety - The new series of Overhead mixers are designed with compact sealed housing. Water and dust resistant with IP42 standard. A microchip controller to save your equipment from overloading and a safety circuit that keep you safe in case of any accident.

Power Stirring - Ideal for heavy duty, high viscosity solutions. Smart speed control to keep your speed even with changes in the viscosities of the sample. With precise torque measurement on LED screen.

High Quality- The working plate is made of high quality Aluminum Alloy, durable and corrosion resistant. It has a longer lifespan and is easy to clean.

Powerful Stirring and Mute- Stirring speed 0-3000rpm adjustable.Working noise is as low as 20dB.

Large Capacity- The maximum stirring capacity is up to 2000ml, ideal for home brew yeast starters and other liquid mixing.

☑LCD DISPLAY--The digital overhead stirrer have a large LCD display that can display the actual speed, real-time torque, and set time. Compared with the lab stirrer that can only display the set speed, our lab mixer can better control the stirring process and observe the real-time status of the sample.

☑ADJUSTABLE SPEED&TIMING--Variable Speed: 100-2000RPM;Timer Range: 1-99h59min. The powerful motor can mix liquids with a viscosity up to 20,000mPa·s.The electric overhead stirrer can automatically adjust the torque, so it can stir up to 40L of aqueous solutions.

☑SATETY PROTECTION--The overload will stop automatically to ensure safe operation. The overload stirrer mixer will switch the circuit automatically under abnormal conditions to ensure safe use. The main body of lab stirrer is made of high-quality engineering plastics which make it run steadily.

【ADJUSTABLE SPEED】The speed of the magnetic stirrer can be adjusted from 300-1500 rpm.

【WORKING PLATE】The magnetic stir plate has 5.3×5.3 inch working plate which is made of special material,it is non-slip,scratch-proof and corrosion resistance.

【5L CAPACITY】The magnetic stirrer mixer can stir low-viscosity liquids and solid-liquid mixtures to 5L.

Compact Design and Easy Use: Compact design with small footprint for Portable use, 12 Voltage available for mobile use, lightweight and quiet operation

High Lab Quality Material for Powerful Functions: Maintenance free brushless DC motor enable stable and strength operation with stepless speed regulation 300-2000rpm and max stirring quantity 3L; Default PET top provides excellent chemical resistance and easy cleaning

Come with 8PCS Stir Bars Set and Stir Bar Retriever for Wide Use: ONiLAB magnetic mixer comes with 8PCS stir bars Set and stir bar Retriever to meet your different mixing needs, perfect for stirring in scientific research, industry, agriculture, health and medicine, homebrew, like brew yeast starters, wine making, Juice mixing, wine decanting and etc