Description
Available Sizes and Shapes
Cylindrical Stir Bars
- Most commonly used design
- Ideal for general laboratory mixing
Oval Stir Bars
- Better stability at higher speeds
- Used for narrow containers
Bar with Pivot Ring (Advanced Models)
- Improved rotation efficiency
- Suitable for high-viscosity solutions
Common Sizes:
- 10 mm
- 15 mm
- 20 mm
- 25 mm
- 30 mm
- 40 mm
Applications and Usage
Chemical Laboratories
Used for mixing reagents and chemical solutions.
Pharmaceutical Industry
Used in formulation and sample preparation processes.
Research Laboratories
Supports biochemical and scientific experiments.
Educational Labs
Used in chemistry practical demonstrations.
Industrial Applications
Used in quality control and production testing.
Environmental Testing
Used in water and soil sample mixing.
Benefits of Magnetic Stirrer Bars
- Ensures contamination-free mixing
- Improves laboratory efficiency
- Compatible with all magnetic stirrers
- Chemical and heat resistant
- Reusable and durable
- Provides smooth and stable rotation
- Essential for precise laboratory work
- Low-cost laboratory consumable
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Magnetic Stirrer Bars |
| Material | PTFE (Teflon) Coated |
| Core Type | Strong Magnetic Core |
| Shapes | Cylindrical / Oval / Ring |
| Sizes | 10 mm – 40 mm |
| Compatibility | Magnetic Stirrer / Hot Plate Stirrer |
| Resistance | Chemical & Heat Resistant |
| Usage | Laboratory Mixing |
| Reusability | Yes |
Why Magnetic Stirrer Bars Are Important
Stir bars are a critical part of laboratory mixing systems. Without them, magnetic stirrers cannot function. They ensure smooth, uniform mixing of solutions, which is essential for accurate experimental results and reproducibility
Common Laboratory Uses
- Chemical solution mixing
- Buffer preparation
- Reagent blending
- Sample preparation
- Pharmaceutical formulation
- Research experiments
- Educational demonstrations
Buyer Guide Before Purchase
- Required stir bar size
- Type of container used
- Solution viscosity level
- Compatibility with stirrer system
- Chemical resistance needs
- Frequency of use
- Laboratory application type
FAQ
What are magnetic stirrer bars used for?
They are used to mix liquid solutions in laboratories using a magnetic stirrer device.
What material are stir bars made of?
Most stir bars are made of a magnetic core coated with PTFE (Teflon) for chemical resistance.
Can stir bars be reused?
Yes, they are reusable after proper cleaning.
What sizes are available?
Common sizes range from 10 mm to 40 mm depending on laboratory needs.
Are stir bars resistant to chemicals?
Yes, PTFE coating makes them resistant to most laboratory chemicals.
Do stir bars work with all magnetic stirrers?
Yes, they are compatible with standard laboratory magnetic stirrers and hot plate stirrers.
How do stir bars rotate?
They rotate using a magnetic field generated by the stirrer machine.
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