Bell jars are used in conjunction with a vacuum fitted base to form and maintain a low-pressure environment. Ground flat rims provide the tightest seal for minimum leakage. Round bottom styles with the molded solid knob handles are easy to remove to access items. The glassware is optically clear for best experimenting visibility. Choose from various bell jar dimensions when requiring a low-quality vacuum atmosphere or simply protecting delicate materials from harmful surroundings.
Bell Jars with Top Opening and Glass Stopper
Molded of heavy flint glass with thick top and base flange ground to ensure a tight seal.
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PYREX® Glass Bell Jars, Tall Form, Corning
These specially mold blown jars have a fine ground finish bottom flange to assure tight sealing with ground glass plates.
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PYREX® Bell Jars, Corning
These specially blown, sturdy, round-bottom jars have a fine ground finish at the open end. Flat, ground surface has a contact area equal to the wall thickness at the open end.
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Vacuum Bell Jar and Plate, Electron Microscopy Sciences
Good for vacuum drying and degassing procedures.
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Bell Jar without Stopper
Made from fine, heavy molded glass. Well-ground rims ensure a tight fit.
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PYREX® Knob Top Bell Jar
These specially mold blown jars have a fine ground finish bottom flange to assure tight sealing with ground glass plates.