Flask Bases
![Photo of a polypropylene flask base with a 160mm diameter.](https://www.wiltronics.com.au/wp-content/uploads/images/science/flask-base-160mm-diameter-polypropylene.jpg)
Flask Bases to support round-bottom flasks. They are particularly useful for holding boiling flasks after heating as they are heat-resistant. Our selection includes Polypropylene Base Flasks of 160mm in diameter and Rubber Base Flasks of 90mm in diameter.