Rubber Stopper Manufacturer,Supplier and Exporter in India
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Product Code : EL-CL-11691
Jlab Export is a leading Rubber Stopper Manufacturer,and suppliers in India
Rubber Stopper (code EL-CL-11691) is the No. 7 two-hole stopper, model JL 115/32.5, the biggest size in this series: 26.0 mm across the top, 20.0 mm across the bottom and 27.5 mm tall, in chemical-resistant rubber. Its height is the greatest of the two-hole sizes. JLab manufactures it in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Model No. | JL 115/32.5 |
| Size | No. 7 |
| Holes | Two |
| Top diameter | 26.0 mm |
| Bottom diameter | 20.0 mm |
| Height | 27.5 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-11691 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
No. 7 or No. 6?
Both start at 20.0 mm at the bottom, but the No. 7 widens to 26.0 mm and stands taller, so it seals a mouth up to that width and gives each glass tube a longer grip through the rubber. Choose it for the wider necks of flasks and tubes; if the mouth is narrower than 20.0 mm, a smaller size will grip better.
Matching Items
- Rubber Stopper — two-hole No. 6, one size down.
- Rubber Stopper — solid No. 7 of the same size, without holes.
- Thistle Funnel — borosilicate funnel used in gas preparation.
Explore Chemistry Lab for smaller stoppers, or go to Chemistry Lab Equipment for the full section.
Request a Quote
Order through Add To Cart, or send details on the contact page: the number of No. 7 stoppers and the delivery location.
Last updated: 25 October 2026
