| Minimum Order Quantity | 1000 Piece |
| Diameter | 20 mm |
| Type | Stopper |
| Shape | Round |
| Material | Natural Rubber |
| Usage/Application | Lab |
| Color | Grey |
A 20mm rubber stopper is a closure, typically made of butyl rubber, used to seal containers, particularly vials, with a 20mm opening. These stoppers are commonly used in pharmaceutical, laboratory, and medical applications to provide a secure and airtight seal. They are designed to be compatible with various sealing methods, including crimp seals and flip-top seals.