Rubber Stopper Manufacturer,Supplier and Exporter in India
Product Code : JL-LEP-10273
The Rubber Stopper from Jaincolab, a trusted school laboratory equipment manufacturer, is used to seal the openings of 16 mm diameter, 150 mm test tubes and other laboratory glassware that require a tighter seal or a greater degree of chemical resistance, preventing leaks, hazards and contamination.
This cylindrical stopper with a tapered bottom end is made of a premium grade SBR black rubber compound, bored with a central hole for inserting glass tubing or a thermometer. As a leading school laboratory equipment manufacturer, Jaincolab supplies this rubber stopper as per DEPED Guidelines to schools, colleges and laboratories across India and internationally.
Product Specifications
| Parameter | Details |
|---|---|
| Product Code | JL-LEP-10273 |
| Shape | Cylindrical, with a tapered bottom end |
| Material | Premium grade SBR black rubber compound |
| Height | 25 mm (min) |
| Top Diameter | 17 mm (min) |
| Bottom Diameter | 13 mm (min) |
| Hole Diameter | 5 mm (min) |
| Dimension Tolerance | ±0.5 mm on height, top and bottom diameter |
| Hardness | 40 ± 5 Duro |
| Guideline Compliance | As per DEPED Guidelines |
Key Features
- Seals 16 mm diameter, 150 mm test tubes and other laboratory glassware
- Tapered cylindrical shape for a snug, leak-proof fit
- Premium grade SBR black rubber compound for chemical resistance
- Bored with a 5 mm hole for glass tubing or a thermometer
- Tight dimensional tolerance of ±0.5 mm for a reliable seal
- 40±5 Duro hardness for a secure yet workable grip
- Supplied as per DEPED Guidelines
Why Choose Jaincolab
Jaincolab is a trusted school laboratory equipment manufacturer and supplier of laboratory glassware accessories to schools, colleges and laboratories across India and internationally. Explore related essentials such as the Cork Stopper, the Cork Borer, the Glass Tubing Long, and the Reagent Bottle Wide Mouth Transparent Borosilicate, or browse the full Laboratory Equipment Products range.
Applications
| Application Area | Use Case |
|---|---|
| School Chemistry Labs | Sealing test tubes and flasks that require a tight, chemical-resistant seal |
| Distillation and Gas Set-ups | Fitting glass tubing or a thermometer through the bored hole |
| General Laboratory Use | Preventing leaks, hazards and contamination in sealed glassware |
| Sample Storage | Providing an airtight closure for test tubes during storage |
Frequently Asked Questions
Q1: What is the Rubber Stopper used for?
A1: It is used to seal the openings of 16 mm diameter, 150 mm test tubes and other laboratory glassware that require a tighter seal or greater chemical resistance, preventing leaks, hazards and contamination.
Q2: What material is the stopper made of?
A2: It is made of a premium grade SBR black rubber compound.
Q3: What is the shape of the stopper?
A3: It is cylindrical with a tapered bottom end for a snug fit into openings of varying sizes.
Q4: What are the dimensions of the stopper?
A4: It has a minimum height of 25 mm, a minimum top diameter of 17 mm, a minimum bottom diameter of 13 mm, and a minimum hole diameter of 5 mm, with a dimensional tolerance of ±0.5 mm.
Q5: What is the hardness of the rubber?
A5: It has a hardness of 40±5 Duro.
Request a Quote
For pricing, bulk orders or custom requirements on the Rubber Stopper or any other laboratory glassware accessory from Jaincolab, Request a Quote from our team.
