Glass Tube Rubber Stopper
Material:High Temperature Resistance Rubber
Shape:Conical solid.
Suitable for all sizes glass test tubes and flasks
accept customized sizes and optional 1 or 2 holes.
General Sizes for Rerence:(solid without hole)
| Size No. | Flask Standard Size | Upper Diameter (mm) | Lower Diameter (mm) | Full Height (mm) | Weight(g) | Pack(pcs/ctn) |
|---|---|---|---|---|---|---|
| 000 | 13 | 8 | 17 | 4 | 6880 | |
| 00 | 15 | 11 | 21 | 5 | 4340 | |
| 0 | 14# | 17 | 13 | 24 | 8 | 2760 |
| 1 | 19 | 14 | 26 | 10 | 2030 | |
| 2 | 20 | 15 | 26 | 12 | 1800 | |
| 3 | 19# | 23 | 17 | 26 | 13 | 1420 |
| 4 | 24# | 26 | 19 | 28 | 22 | 1020 |
| 5 | 29 | 22 | 28 | 28 | 820 | |
| 6 | 29# | 33 | 25 | 28 | 37 | 800 |
| 7 | 34# | 37 | 28 | 30 | 48 | 540 |
| 8 | 40# | 42 | 32 | 30 | 55 | 420 |
| 9 | 45 | 37 | 30 | 61 | 360 | |
| 10 | 50 | 41 | 32 | 90 | 260 | |
| 11 | 50# | 56 | 46 | 34 | 133 | 200 |
| 12 | 62 | 51 | 38 | 160 | 160 | |
| 13 | 67 | 55 | 39 | 190 | 128 | |
| 14 | 72 | 60 | 39 | 221 | 108 | |
| 15 | 80 | 68 | 40 | 292 | 90 | |
| 16 | 88 | 75 | 42 | 328 | 60 | |
| 17 | 95 | 78 | 45 | 407 | 60 | |
| 18 | 105 | 85 | 50 | 530 | 60 | |
| 19 | 110 | 90 | 55 | 670 | 30 | |
| 20 | 121 | 92 | 57 | 830 | 28 | |
| 21 | 122 | 95 | 60 | 958 | 28 | |
| 22 | 140 | 100 | 60 | 1104 | 20 | |
| 23 | 147 | 118 | 60 | 1328 | 18 | |
| 24 | 155 | 132 | 60 | 1727 | 14 | |
| 25 | 170 | 142 | 69 | 2100 | 12 |
