Boiling Flasks
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  1. Pyrex® Flasks, boiling, flat bottom, narrow neck
    Pyrex® Flasks, boiling, flat bottom, narrow neck
    Available in capacities from 50ml to 20litres, these narrow neck flat bottom flasks with beaded rims are suitable for a wide variety of laboratory applications.
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  2. Pyrex® Flasks, boiling, flat bottom, wide neck
    Pyrex® Flasks, boiling, flat bottom, wide neck
    With wider necks to allow easier access to the flask contents, these flat bottom flasks comply with the requirements of ISO 24450.
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  3. Pyrex® Flasks, boiling, round bottom, narrow neck
    Pyrex® Flasks, boiling, round bottom, narrow neck
    Although described as boiling flasks, these iconic round bottom flasks can be used for a multitude of laboratory applications.
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  4. Pyrex® Flasks, boiling, round bottom, wide neck
    Pyrex® Flasks, boiling, round bottom, wide neck
    As with the flat bottom wide neck flasks, these round bottom versions have a wider neck than the standard flasks to allow easier access to the flask contents.
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The benefits of using our Boiling Flasks

Supplied in both narrow and wide neck options, Pyrex® round and flat bottom flasks comply with ISO 1773 (narrow neck) and DIN 24450 (wide neck). The narrow neck flasks are available in capacities from 50ml right up to 20Litres, offering a capacity to suit most laboratory applications. All Quickfit® round and flat bottom flasks feature a conical ground glass neck joint that is fully interchangeable with other products in the Quickfit®range. Quickfit® flasks are manufactured from Pyrex® borosilicate glass for optimum chemical and thermal shock resistance.

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