Cork Stopper
Product Code : JL-LEP-10258
The Cork Stopper (SKU JL-LEP-10258) is used to seal 16 x 150 mm test tubes and similar laboratory glassware. It is Extra Select Grade cork from the bark of the cork oak, with fewer lenticels, so it is elastic and nearly impermeable. This cork stopper with hole is a tapered cylinder 22 mm high, 17 mm across the top and 15 mm at the bottom, with one 5 mm hole for a glass tube or delivery tube; dimensions are held to ±0.5 mm. JaincoLab supplies it as per DepEd guidelines.
Specifications
The stopper is specified by grade, shape, material and dimensions: Extra Select Grade, a cylinder tapered at the bottom, cork oak bark, 22 mm high, 17 mm top and 15 mm bottom diameter, a 5 mm hole, and ±0.5 mm tolerance.
| Product | Cork Stopper |
| SKU | JL-LEP-10258 |
| Type | Extra Select Grade, fewer lenticels (crevices) |
| Shape | Cylindrical with a tapered bottom end |
| Material | Bark of the cork oak tree; elastic and near impermeable |
| Height | 22 mm |
| Top diameter | 17 mm |
| Bottom diameter | 15 mm |
| Hole diameter | 5 mm |
| Tolerance | ± 0.5 mm (height, top and bottom diameter) |
| Specification reference | As per DepEd guidelines |
Applications of the cork stopper with hole
The stopper is used to close test tubes while letting a tube pass through. Typical uses are:
- Sealing 16 x 150 mm test tubes
- Fitting a delivery tube for gas collection
- Holding a thermometer or glass rod in a tube
- Closing small flasks in simple set-ups
Scope of supply and ordering
The listing covers cork stoppers as described in the specification table; quantities per pack are confirmed on the quotation. Tubing and test tubes are separate items.
MOQ, packing and lead time for cork stoppers are confirmed on each quotation for the quantity and destination. JaincoLab supplies schools, colleges and education projects, and exports to Africa, the Middle East and South and South-East Asia.
Frequently asked questions
What size is the cork stopper?
22 mm high, 17 mm top diameter and 15 mm bottom diameter, with a 5 mm hole.
Which test tubes does it fit?
It is used to seal 16 x 150 mm test tubes and similar glassware.
What grade of cork is used?
Extra Select Grade cork with fewer lenticels.
Related products
Related items:
See all Laboratory Equipment Products, or the JaincoLab chemistry lab equipment range.
Request a quote
To order the Cork Stopper, send the quantity and delivery destination through the JaincoLab contact page or email [email protected]. Buying under a laboratory tender? Use our tenders page.
