Laboratory Glass Bell Jar Manufacturer,Supplier and Exporter in India
Product Code : EL-GW-10807
Quick Answer: The Laboratory Glass Bell Jar is a heavy-wall, clear glass bell jar made of No. 4 soda-lime glass, with a solid knob top and a machined base that gives an air-tight seal on vacuum plates.
Last updated: October 2026
Key Features
Heavy-wall clear glass construction
Made of No. 4 soda-lime glass for mechanical strength and chemical resistance
Machined base for an air-tight seal on vacuum plates
Solid knob top; the jar is not stoppered
Used for classic physics demonstrations, as a display cover and for mini-terrariums
Technical Specifications
Specification
Value
Material
No. 4 soda-lime glass
Wall
Heavy wall, clear glass
Top
Solid knob (not stoppered)
Base
Machined for air-tight seal to vacuum plates
About This Product
This bell jar is used for classic physics demonstrations, where its machined base forms an air-tight seal on a vacuum plate. It is also used as a display cover for small or delicate items and for making mini-terrariums.
Frequently Asked Questions
Q1. Does the bell jar have a stopper opening at the top? No. It has a solid knob top and is not stoppered.
Q2. Can the bell jar be used with a vacuum plate? Yes. The base is machined to give an air-tight seal on vacuum plates.
Q3. What glass is the bell jar made from? No. 4 soda-lime glass, for mechanical strength and chemical resistance. The jar has a heavy wall.
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