A rubber bung for carboys is a stopper or cork-like device made of rubber that is used to seal the opening of a carboy. A carboy is a large glass or plastic container with a narrow neck, typically used for fermenting beverages such as wine or beer, or for storing chemicals or other liquids.
Rubber bungs are designed to fit snugly into the neck of the carboy, creating an airtight seal. This seal is important for various reasons:
- Fermentation: When using a carboy for fermenting beverages, such as in the brewing process, a rubber bung helps to create an airtight environment. This prevents oxygen from entering the carboy, which could spoil the fermentation process or introduce unwanted bacteria or contaminants.
- Storage: If you’re using a carboy to store liquids or chemicals, a rubber bung ensures a tight seal to prevent leakage and minimize exposure to air, which can cause oxidation or evaporation.
- Airlock attachment: Rubber bungs often have a hole in the center to accommodate an airlock. An airlock is a device filled with water or sanitizer that allows gases produced during fermentation to escape while preventing air or contaminants from entering the carboy. The rubber bung holds the airlock securely in place.
Rubber bungs come in various sizes to fit different carboy neck openings, so it’s important to select the appropriate size for your specific carboy to ensure a proper seal.
Size: 63mm * 50mm
Selling Unit: Each
New Rubber Stopper Bungs Laboratory
Can be used for in a test tube, flask stopper or other bottles
Product of the United States
*Call and ask for bulk pricing