Product Description
Replace or resize the paddle on an overhead stirrer shaft with a chemically inert PTFE blade. PTFE will not contaminate reaction mixtures or corrode in aggressive media, and blades can be swapped to match flask size and the degree of mixing required.
This listing is for Kimble catalog number 789030-0021: Stir Blades, Size 21. Blades are 1/8 in thick PTFE and fit 786500 and 786520 stirrer shafts. Sizes 19 through 24 cover widths from about 46 to 130 mm and heights from about 15 to 24 mm. The size 22 blade is the one accepted by 4 in cylindrical reaction flasks. Add it to your LIGHT LABS order alongside the rest of your glassware and closures.
Key Features
- PTFE construction – Inert to virtually all reagents.
- Fits standard shafts – For 786500 and 786520 shafts.
- Six sizes – Widths from about 46 to 130 mm.
- 1/8 in thick – Rigid blade for steady mixing.
Specifications
| Catalog Number | 789030-0021 |
| Brand | Kimble (DWK Life Sciences) |
| Description | Stir Blades, Size 21 |
| Sold As | Each |
| Material | PTFE |
| Thickness | 1/8 in |
| Fits shafts | 786500 and 786520 |
Available Options
- 789030-0019 – Stir Blades, 15X46 mm
- 789030-0020 – Stir Blades, Size 20
- 789030-0022 – Stir Blades, Size 22
- 789030-0023 – Stir Blades, Size 23
- 789030-0024 – Stir Blades, Size 24
Applications
- Overhead stirring
- Reaction flask mixing
- Cylindrical reaction vessels
- Corrosive media
