Our Rubber Stoppers are made of EPDM rubber. Stoppers are solid rubber. Also available with 1 or 2 holes. All Stoppers are Black in color. Our Rubber Stoppers are often used to close test tubes and flasks to prevent liquid from escaping, in addition to Vial Closure.
Compound: EPDM
Durometer: 40
| Size | Top | Inch Size Bottom | Height | Price per Piece |
| 000 | ½” | 5/16” | 13/16” | $0.21 |
| 00 | 9/16” | ⅜” | 1” | $0.25 |
| 0 | 11/16” | ½” | 1” | $0.34 |
| 1 | ¾” | 9/16” | 1” | $0.37 |
| 2 | 13/16” | ⅝” | 1” | $0.48 |
| 3 | 15/16” | 11/16” | 1” | $0.54 |
| 4 | 1” | 25/32” | 1” | $0.66 |
| 5 | 1 1/16” | ⅞” | 1” | $0.72 |
| 5 ½ | 1 ⅛” | 15/16” | 1” | $0.74 |
| 6 | 11/14” | 1” | 1” | $0.81 |
| 6 ½ | 1 11/32” | 1 1/16” | 1” | $0.99 |
| 7 | 1 7/16” | 1 3/16” | 1” | $1.11 |
| 7 ½ | 1 ½” | 1 ¼” | 1” | $1.23 |
| 8 | 1 ⅝” | 1 1/16” | 1” | $1.38 |
| 8 ½ | 1 11/16” | 1 13/32” | 1” | $1.46 |
| 9 | 1 ¾” | 1 7/16” | 1” | $1.79 |
| 9 ½ | 1 13/16” | 1 ½” | 1’ | $1.82 |
| 10 | 1 15/16” | 1 ⅝” | 1” | $2.16 |
| 10 ½ | 2 1/16” | 1 ¾” | 1” | $2.59 |
| 11 | 2 3/16” | 1 ⅞” | 1” | $2.72 |
| 11 ½ | 2 15/32” | 1 15/16” | 1” | $2.86 |
| 12 | 2 ½” | 2 ⅛” | 1” | $2.94 |
| 13 | 2 21/32” | 2 ¼” | 1” | $4.02 |
| 13 ½ | 2 15/16” | 2 13/32” | 1 ⅜” | $6.13 |
| 14 | 3 ½” | 2 15/16” | 1 ½” | $11.69 |
| 15 | 4” | 3 ¼” | 1 ½” | $18.37 |
| 16 | 5” | 3 ½” | 2” | $20.75 |
