Product Description
Drawing liquid by syringe without opening the bottle keeps contents sterile and protected from air. These bromobutyl stoppers seal GL bottles gas-tight and reseal reliably after needle piercing.
This listing is for DURAN catalog number 292061301: Bromobutyl Rubber Stopper, for GL 25 Laboratory bottle, straight plug, natural rubber, grey, Case of 10. The grey straight-plug stoppers conform to EP 3.2.9 Type I and are not made with natural rubber latex. A Type III DMF (#35811) is on file with the FDA, and lot-specific CoCs are available. They self-seal after piercing with 21G or smaller needles, have 35 plus or minus 5 Shore A hardness and autoclave at 121 C. Sizes for GL 25 and GL 45. LIGHT LABS supplies the complete DWK Life Sciences line, including Kimble, Wheaton and DURAN labware.
Key Features
- Gas-tight seal – Maintains a controlled environment in the bottle.
- Self-sealing – Reseals after multiple punctures with 21G or smaller needles.
- EP 3.2.9 Type I – Bromobutyl elastomer, not made with natural rubber latex.
- Regulatory support – FDA Type III DMF filed; lot CoC available.
- Autoclavable – 121 C steam sterilization.
Specifications
| Catalog Number | 292061301 |
| Brand | DURAN (DWK Life Sciences) |
| Description | Bromobutyl Rubber Stopper, for GL 25 Laboratory bottle, straight plug, natural rubber, grey |
| Sold As | Case of 10 |
| Material | Bromobutyl rubber |
| Standard | EP 3.2.9 Type I |
| Hardness | 35 +/- 5 Shore A |
| Fits | GL 25; GL 45 bottles |
| Color | Grey |
| Regulatory | FDA Type III DMF #35811 |
| Autoclavable | Yes, 121 C |
Available Options
Applications
- Syringe sampling from media bottles
- Anaerobic and controlled-atmosphere storage
- Biopharma media handling
- Sterile reagent storage
