Round bottom Boiling Flasks

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Round bottom Boiling Flasks
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  • Short neck Heavy wall PYREX round bottom boiling flasks have full-length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and…

  • Borosil® Round Bottom Boiling Flasks have uniform wall thickness for even heat distribution. Constructed from stress-free borosilicate. Borosil® Boiling Flasks are heat-resistant. Built to withstand the demands of the modern lab, each flask has a flame-polished, beaded rim for added…

  • Round bottom Short ring neck These PYREX® round bottom boiling flasks have short ring necks. These ring neck boiling flasks are precisely tooled for uniform stopper fit. The reinforced rim increases mechanical strength. These flasks are used in applications requiring rigid stoppering…

  • Borosilicate Glass Round Bottom Boiling Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack.

  • Boiling, round bottom flasks with ground glass joints. Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. Ideal for boiling, heating and mixing in the laboratory.

  • Borosil® Round Bottom Boiling Flasks have uniform wall thickness for even heat distribution. Constructed from stress-free borosilicate. Borosil® Boiling Flasks are heat-resistant. Built to withstand the demands of the modern lab, each flask has a flame-polished, Interchangable Joint, and an…

  • KimCote® plastic-coated single neck flask with a SJ socket joint. Useful as rotary evaporator condensate collection flask or as a replacement for European designation KS 20/35.

  • Flask Boiling Round Bottom 250ml

    DWK Life Sciences (Kimble)

    KIMAX® round bottom boiling flask with a short neck and a medium length Standard Taper joint Designed from ASTM Specification E1403, Type II, Class III requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A…

  • Flask Boiling Round Bottom 100ml

    DWK Life Sciences (Kimble)

  • Flask Boiling Round Bottom 500ml

    DWK Life Sciences (Kimble)

  • Round bottom,single neck,all PTFE boiling flask. Maximum temperature 260 degrees C.

  • Flask, Boiling, Round Bottom, 250ml

    DWK Life Sciences (Kimble)

    KIMAX® round-bottomed boiling flask Reinforced tooled top Designed from ASTM Specification E1403, Type II, Class I, requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • These 22L PYREX(r) round bottom boiling flasks have short ring necks and take a No. 14 rubber stopper. These ring neck boiling flasks are precisely tooled for uniform stopper fit. The reinforced rim increases mechanical strength. These flasks are used in applications requiring rigid stoppering and…

  • These PYREX(r) round bottom boiling flasks have full length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for…

  • PYREX round bottom boiling flasks have full length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The round

  • KIMAX boiling flask with a short neck and a medium length standard taper joint. Designed from ASTM Specification E1403, Type II, Class 3 requirements.

  • KIMAX boiling flask designed from ASTM Specification E1403, Type II, Class 3 requirements.

  • Boiling Flasks

    GSC International, Inc.

    These quality round bottom boiling flasks are made from heat-resistant borosilicate glass, and have 24/40 ground glass joints and thick walls. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer,…

  • Boiling Flasks

    DWK Life Sciences (Kimble)

    Angled two neck round bottom flask. Two-neck heavy wall flask with 24/40 Standard Taper outer joints Side neck is angled Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • SYNTHWARE round bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.

  • With excellent chemical durability for contamination free results, these short neck borosilicate glass round bottom boiling flasks have a single neck with a full length Standard Taper outer joint.

  • These 100mL PYREX(r) round bottom boiling flasks have long necks with tooled mouths and take a rubber stopper. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater…

  • Round Bottom Four-Neck Flasks

    SP Wilmad-LabGlass

    Available in various sizes, these borosilicate glass round bottom flasks have four vertical necks - one center neck and three side necks which are 90° apart. All necks have Standard Taper outer joints.

  • KIMAX Joint Boiling Flask

    DWK Life Sciences (Kimble)

    Round bottom Meets ASTM E1403, Type 1, Class 3

  • RounRound Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5, 10, and 25mL, Joint: 14/10, Supplied with one open top compressioncap and one size 014 Viton O-ring and one PTFE-faced septad Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5,

  • SYNTHWARE round bottom boiling flasks with spherical socket joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness. These flasks can be used as replacements for the collection flask on rotary evaporators.

  • With two vertical necks and a round bottom, these borosilicate glass flasks feature a side neck Standard Taper 24/40 outer joint. The center Standard Taper joint varies with flask capacity.

  • This borosilicate glass round bottom flasks has three necks - the center neck is vertical and the side necks are 180° apart and are inclined at an angle of 20° to the vertical. All necks have Standard Taper outer joints.

  • SYNTHWARE round bottom, heavy wall, single neck flask with a standard taper outer joint. All sizes are hand blown from tubing to ensure uniform wall thickness. Flask has two hooks 180° apart for use with stainless steel joint springs.

  • Round Bottom Flask, Micro Scale, Synthware, Capacity: 25, or 50mL available, Joints: 14/10 threaded.

  • Ai 2L, 24/40 standard taper joint, heavy wall, round bottom 2-neck flask with one vertical 24/40 neck, and one angled 24/40 side neck. Glass material: high borosilicate glass 3.3.

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