Product Description
Spin-outs waste time and can ruin a carefully prepared solution. These stir bars use a powerful sintered Alnico magnet that couples strongly to the stirrer drive, helping the bar stay locked in place and maintain a steady vortex even at higher speeds or in thicker liquids.
This listing is for catalog number 120549: Magnetic Stir Bar, PTFE, Octaganol, Pivot Ring, 25x7mm, White, Pack of 10. Each bar is fully encapsulated in chemically inert PTFE, which protects the magnet and the solution and makes cleanup simple. The octagonal profile with a center pivot ring reduces friction against the vessel floor. Bars tolerate up to 250°C for use on heated stirrers. Several lengths from 10 mm to 35 mm are available, each sold in packs of 10. LIGHT LABS ships genuine Heathrow Scientific products with knowledgeable support from our Englewood, Colorado team.
Key Features
- Strong Alnico magnet – Sintered magnet reduces decoupling and spin-outs.
- PTFE encapsulation – Chemically inert coating protects magnet and sample.
- Center pivot ring – Lowers friction and supports a strong mixing vortex.
- Octagonal profile – Shape helps agitate viscous solutions effectively.
- Heat resistant – Withstands temperatures up to 250°C on hot plate stirrers.
Specifications
| Catalog Number | 120549 |
| Brand | Heathrow Scientific |
| Description | Magnetic Stir Bar, PTFE, Octaganol, Pivot Ring, 25x7mm, White |
| Sold As | Pack of 10 |
| Magnet | Sintered Alnico |
| Coating | PTFE |
| Shape | Octagonal with center pivot ring |
| Maximum temperature | 250°C |
| Size range | 10 x 5 mm to 35 x 9 mm |
Available Options
- 120547 – Magnetic Stir Bar, PTFE, Octaganol, Pivot Ring, 10x5mm, White, Pack of 10
- 120548 – Magnetic Stir Bar, PTFE, Octaganol, Pivot Ring, 20x8mm, White, Pack of 10
- 120550 – Magnetic Stir Bar, PTFE, Octaganol, Pivot Ring, 28x8mm, White, Pack of 10
- 120551 – Magnetic Stir Bar, PTFE, Octaganol, Pivot Ring, 30x8mm, White, Pack of 10
- 120552 – Magnetic Stir Bar, PTFE, Octaganol, Pivot Ring, 35x9mm, White, Pack of 10
Applications
- Buffer and media preparation
- Mixing viscous solutions
- Heated stirring on hot plates
- General chemistry and reagent mixing
