Lab Bell Jars And Gaskets

Lab ball jars, complemented by durable bell jar gaskets, are essential for creating vacuum seals in scientific experiments.

Specifically designed for use in laboratories, lab bell jars are vital components in physics and chemistry experiments, allowing researchers to observe phenomena under controlled atmospheric conditions or vacuum.

The bell jar gaskets ensure airtight seals, which are crucial for the accuracy and reliability of experimental results. These gaskets, tailored to fit lab bell jars perfectly, are made from materials that withstand rigorous use and chemical exposure, guaranteeing longevity and performance.

Together, lab ball jars and their corresponding gaskets facilitate a wide range of scientific investigations, proving indispensable in educational and research settings where precision and reliability are key.

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  • Thermo Scientific Nalgene

    Nalge 5305 series Transparent polyetherimide with amber cast As furnished with 1577T14 and 1577T18 Bell Jars. Replacement gaskets are available.

  • These specially blown, sturdy, approximately PYREX® round bottom bell jars have a fine ground finish at the open end. The jar is supplied without a bottom rim flange. The flat ground bearing surface has a contact area equal to the wall thickness at the open end of the jar.

  • Thermo Scientific Nalgene

    White polycarbonate Plate is 13 1/2” x 1” thick, with three concentric Neoprene gaskets, 8”, 11 1/8” and 9” o.d. Gaskets lie in channels separated by concentric ridges which serve to center and to brace rim of bell jar.

  • Corning

    High form with knob and finely ground flange Corning 6885 Made from specially selected mold-blown blanks Bottom flange has a finely ground finish to assure tight sealing with ground glass plates Dimensions (ID x OD): 1577J18 Jar: 5 1/8” x 5 1/2”; 1577J33 Jar: 6 1/8” x 6…

  • Fischer Technical

    High quality glass bell jars with a glass knob at the top.  Ground flange to allow an excellent seal to vacuum pump plates. Safe at high pressures.

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    Thermo Scientific Nalgene

    Nalge 5305 series Transparent, cylindrical polyetherimide jar inverted on white polycarbonate base plate that has removable tubing adapter for connection to 1/4-inch i.d. vacuum tubing Vacuum rating 29 inches Hg @ 25°C Jar has amber cast and seals against Neoprene gasket in base …

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