The solid rubber stopper without hole is used to seal compatible laboratory tubes, flasks and other containers by insertion. Its tapered shape and range of sizes allow selection based on the container opening and stopper height. It can be used for temporary closure during sample preparation, handling and organization.
Characteristics
- Flexible rubber body for compression fitting in compatible openings.
- Tapered shape with different top and bottom diameters.
- Solid design, without a hole for tubes or probes.
- Acid-resistant, non-toxic, sulfur-free material.
- Multiple sizes for different container openings.
Applications
- Temporary closure of laboratory tubes and flasks during sample handling.
- Sealing containers used to prepare and organize solutions when the rubber is compatible with the contents.
- Teaching and research procedures that use containers with openings matching the stopper dimensions.
Technical Specifications
- Material: Acid-resistant, non-toxic, sulfur-free rubber;
- Type: Solid tapered stopper, without hole.
| Size | Top diameter (mm) | Bottom diameter (mm) | Height (mm) |
|---|
| No. 1 | 11 | 9 | 18 |
| No. 1A | 12 | 9 | 19 |
| No. 1B | 13 | 10.5 | 21 |
| No. 2 | 14 | 11 | 20 |
| No. 3 | 16 | 12 | 23 |
| No. 4 | 17 | 13.5 | 25 |
| No. 5 | 18 | 14 | 25 |
| No. 6 | 21 | 17 | 28 |
| No. 7 | 23 | 18 | 28 |
| No. 8 | 26 | 21 | 32 |
| No. 9 | 29 | 25 | 29 |
| No. 10 | 33 | 27 | 38 |
| No. 11 | 36 | 30 | 39 |
| No. 12 | 40 | 32 | 43 |
| No. 13 | 42 | 37 | 43 |
| No. 13A | 47 | 40 | 40 |
| No. 14 | 53 | 44 | 43 |
| No. 15 | 55 | 45 | 57 |
| No. 16 | 63 | 53 | 55 |
| No. 17 | 69 | 57 | 67 |
| No. 18 | 89 | 65 | 54 |
| No. 19 | 122 | 83 | 80 |
Includes
- 1x Rubber Stopper in the selected size.
Frequently Asked Questions
What is a solid rubber stopper without hole used for?
It closes containers with compatible openings by insertion, without a passage for tubing or probes.
How should the size be selected?
Compare the inside diameter of the container opening with the top and bottom diameters in the table. Stopper height can also help assess the available insertion space.
Can tubing or a thermometer pass through this stopper?
No. This version is solid and has no hole. An appropriately perforated stopper is required when accessories need to pass through.
What is the difference between sizes 13 and 13A?
No. 13 has diameters of 42mm and 37mm and a height of 43mm. No. 13A has diameters of 47mm and 40mm and a height of 40mm. They are different sizes.
How can companies and institutions purchase the solid rubber stopper from LojaLab and request a formal quotation?
Companies, laboratories, educational institutions and research organizations can purchase through LojaLab. For recurring purchases, internal approval processes, research funding, public procurement or formal quotation requirements, contact the sales team with the company or institution details, quantities and order requirements.
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