Product Description
Screw cap closures can deliver the sealing performance of a stopper without crimping. These thin flange stoppers pair with screw caps on screw neck diagnostic bottles, combining an elastomer seal with the convenience of twist-on closure for filling, storage and lyophilization.
This listing is for Wheaton catalog number 224100-203: Thin Flange Stopper, 20mm 3-Leg Lyophilization Gray Chlorobutyl / 55, Case of 300. Choose a 20 mm 3-leg lyophilization stopper in gray chlorobutyl (55 durometer) or a 20 mm thin flange snap-on stopper in gray chlorobutyl. They work with open top or closed top screw caps, are autoclavable and are packed 300 per case. They are not recommended for crimp top caps. Add it to your LIGHT LABS order alongside the rest of your glassware and closures.
Key Features
- Screw cap compatible – Seals under open or closed top caps.
- Lyophilization option – 3-leg design for freeze-drying.
- Gray chlorobutyl – Low permeability elastomer.
- Autoclavable – Can be sterilized before use.
Specifications
| Catalog Number | 224100-203 |
| Brand | Wheaton (DWK Life Sciences) |
| Description | Thin Flange Stopper, 20mm 3-Leg Lyophilization Gray Chlorobutyl / 55 |
| Sold As | Case of 300 |
| Size | 20 mm |
| Material | Gray chlorobutyl, siliconized |
| Styles | 3-leg lyophilization; snap-on thin flange |
| Autoclavable | Yes |
| Use | Screw caps only; not for crimp caps |
Available Options
Applications
- Diagnostic reagent bottles
- Lyophilized reagent packaging
- Screw neck vial sealing
- Laboratory sample storage
