Rubber Cork Stopper, Lab-Grade, High Quality & Reusable
Price range: $0.35 through $17.20
- Flexible rubber ensures tight, leakproof sealing
- Lab-grade material resists chemicals and moisture
- Reusable for repeated sealing and experiment cycles
- Available in multiple sizes to fit common labware
- Used in teaching, research, and industrial settings
- Made from high-quality, durable lab-grade rubber
- Description
Description
Rubber cork stoppers are engineered for secure sealing of flasks, test tubes, and reaction vessels. Their flexible structure allows a snug fit that prevents leaks, evaporation, and contamination during experiments or storage.
Suitable for both dry and wet applications, these reusable stoppers are ideal for routine use in chemistry labs, educational institutions, and industrial testing environments. They offer a reliable, low-cost solution for temporary closures or pressure-free setups.
Crafted from premium lab-grade rubber, these stoppers resist chemical exposure and remain durable over time. Supplied by LabChoice Australia, they deliver consistent sealing performance and convenience in daily laboratory operations.
| Item Code | Cork Number | Top(in MM) ±.2mm | Bottom(in MM) ±.2mm | Height(in MM) ±.2mm | Pack |
| LC-12-RCS5101 | 0 | 11 | 8 | 15.5 | 1 |
| LC-12-RCS5102 | 1 | 14 | 11 | 18.5 | 1 |
| LC-12-RCS5103 | 2 | 16.5 | 12 | 20 | 1 |
| LC-12-RCS5104 | 3 | 19 | 14 | 21 | 1 |
| LC-12-RCS5105 | 4 | 21 | 15 | 22 | 1 |
| LC-12-RCS5106 | 5 | 22.5 | 17 | 23 | 1 |
| LC-12-RCS5107 | 6 | 24.5 | 19 | 26 | 1 |
| LC-12-RCS5108 | 7 | 26 | 20 | 28 | 1 |
| LC-12-RCS5109 | 8 | 26.5 | 21 | 27.5 | 1 |
| LC-12-RCS5110 | 9 | 28 | 21.5 | 31 | 1 |
| LC-12-RCS5111 | 10 | 30 | 25 | 33 | 1 |
| LC-12-RCS5112 | 11 | 33 | 28 | 33 | 1 |
| LC-12-RCS5113 | 12 | 34.5 | 30 | 34.5 | 1 |
| LC-12-RCS5114 | 13 | 38.5 | 31 | 37 | 1 |
| LC-12-RCS5115 | 14 | 41.5 | 32 | 45.5 | 1 |
| LC-12-RCS5116 | 15 | 42 | 37 | 40.5 | 1 |
| LC-12-RCS5117 | 16 | 45 | 35 | 36.5 | 1 |
| LC-12-RCS5118 | 17 | 49.5 | 40 | 40.5 | 1 |
| LC-12-RCS5119 | 18 | 53.5 | 48 | 33.5 | 1 |
| LC-12-RCS5120 | 19 | 58 | 44 | 45 | 1 |
| LC-12-RCS5121 | 20 | 60 | 51 | 56.5 | 1 |
| LC-12-RCS5122 | 21 | 60 | 47.5 | 45 | 1 |
| LC-12-RCS5123 | 22 | 62 | 50 | 44 | 1 |
| LC-12-RCS5124 | 23 | 75 | 62 | 45 | 1 |
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Our Reviews
We needed a set of customised borosilicate glassware for a specialised project, and LabChoice Australia delivered exactly what we envisioned. The team worked closely with us from design to production, ensuring every detail met our specifications. The craftsmanship is exceptional, and the turnaround time was impressive. It’s reassuring to know we can rely on them for unique, made-to-order pieces
LabChoice Australia has completely changed the way we source our lab glassware. The quality is consistently top-notch, and every piece meets the precision we need for reliable results. Their team knows their stuff, answers our questions quickly, and always goes the extra mile to help — they’re more like partners than just a supplier.
We trust LabChoice Australia because they deliver every time. Their borosilicate glassware is durable, accurate, and perfect for the high-heat work we do. Everything arrives well-packed with clear specs, so there are never surprises. It’s reassuring to deal with a supplier who understands both compliance and the demands of a busy lab