Rubber Stopper Manufacturer,Supplier and Exporter in India
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Product Code : EL-CL-11700
Jlab Export is a leading Rubber Stopper Manufacturer,and suppliers in India
Rubber Stopper (code EL-CL-11700) is the Hole No. 5 size, model JL 135/40.3: 22.5 mm wide at the top, 17.5 mm at the bottom and 23.0 mm high. Use it when a No. 4 sinks too deep into the opening. JLab makes this size in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Model No. | JL 135/40.3 |
| Size | Hole No. 5 |
| Top diameter | 22.5 mm |
| Bottom diameter | 17.5 mm |
| Height | 23.0 mm |
| Material | Rubber, chemical resistant |
| Quality check | Each rubber stopper is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 50 units |
| Dispatch time | Usually 3–5 working days |
| Product code | EL-CL-11700 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
Keeping the Rubber in Good Condition
It fits openings from 17.5 mm to 22.5 mm. Rinse it after use and let it dry before storing in a closed box, away from sunlight and heat, which slowly harden rubber and make the seal less reliable.
Other Stoppers to Compare
- Rubber Stopper — No. 5 size as a solid stopper with no hole.
- Rubber Stopper — No. 5 size with two holes.
- Rubber Stopper — Hole No. 6 for the next step up in width.
Chemistry Lab lists every stopper size; Chemistry Lab Equipment holds the full section.
Request a Quote
Buy through Add To Cart, or message the contact page with the quantity of No. 5 stoppers and the delivery location.
Last updated: 25 October 2026
