Product Description
Open-top caps let a needle or syringe reach the sample through a septum while the cap holds everything firmly in place. These linerless black phenolic closures are a dependable choice for vials and tubes when you supply your own septa or seals.
This listing is for Kimble catalog number 73804-20400: Open-Top Black Phenolic Screw Thread Caps, 20-400, Case of 144. The caps are molded from phenolic, which offers excellent chemical resistance and can be autoclaved. They are identified in ASTM E982, Class A, and come in 13-425, 15-425, 18-400, 20-400 and 24-400 finishes with open-top holes of about 8.7 to 14 mm. Most sizes are packed 144 per case. Order it from LIGHT LABS and keep your lab stocked with genuine DWK Life Sciences products.
Key Features
- Open-top design – Allows needle access through a septum.
- Phenolic construction – Excellent chemical resistance.
- Autoclavable – Can be steam sterilized.
- Linerless – Pair with the septum or liner your method requires.
- Multiple finishes – 13-425 through 24-400.
Specifications
| Catalog Number | 73804-20400 |
| Brand | Kimble (DWK Life Sciences) |
| Description | Open-Top Black Phenolic Screw Thread Caps, 20-400 |
| Sold As | Case of 144 |
| Material | Phenolic, black |
| Style | Open top, linerless |
| Thread finish | 13-425; 15-425; 18-400; 20-400; 24-400 |
| Standard | ASTM E982, Class A |
| Autoclavable | Yes |
Available Options
- 410116-1325 – Gas Sampling Tubes Replacement Parts, Open-Top Phenolic Cap, 13-425
- 73804-15425 – Open-Top Black Phenolic Screw Thread Caps, 15-425, Case of 144
- 73804-18400 – Open-Top Black Phenolic Screw Thread Caps, 18-400, Case of 144
- 73804-24400 – Open-Top Black Phenolic Screw Thread Caps, 24-400, Case of 144
Applications
- Septum-sealed vials and tubes
- Headspace and gas sampling
- Sample storage
- Replacing worn closures
