Round Bottom Flask

Single neck flask with a Standard Taper outer joint Heavy wall Ref: ASTM Method D95 Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Molded in Polypropylene, this flask stand gives a stair-like top view. Every step provides excellent support to the round bottom flask at every point of contact. This flask stand can hold round bottom flasks up to 10,000ml capacity. This stackable flask stand can also be autoclaved.

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.

Round-bottom flasks of any size up to 10 liters are cradled securely in the stepped concentric rings of this holder. Can be stacked together for convenient storage Polypropylene plastic rack; not affected by spilled acids, alkalis or other corrosive liquids Steam autoclavable at…

…that greatly simplify cleaning. PFA surface properties offer superior cleanability to glass, PTFE and polypropylene containers, reducing risk of sample carryover in trace analysis applications. Maximum operating temperarture of these PFA round bottom flasks under vacuum is 50°C.

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,

Three-neck heavy wall round-bottom flask with Standard Taper outer joints Side necks are angled Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

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.

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

Ai 24/40 standard taper joint, heavy wall oval-shaped, round bottom flask.

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.

Distilling round bottom flask with two vertical necks. Two-neck heavy wall flask with Standard Taper outer joints on both vertical necks Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Three-neck heavy wall round-bottom flask with Standard Taper outer joints Side necks are vertical Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Two-neck heavy wall flask with 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

Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use.…

Micro round bottom 3-neck flask with all 14/10 threaded outer joints. Supplied complete with open-top screw caps (MW-102-33) and Viton O-rings (MW-100-08).

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…

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…

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…

Heat Transfer Block, Round bottom flasks, Synthware, Holds 5, 10 and 25mL round bottom flasks.

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.

SYNTHWARE round bottom, heavy wall, flask with standard taper outer joint and threaded side port. All sizes are hand blown from tubing to ensure uniform wall thickness. Side port is for insertion of thermometer or bleed tube having an O.D. between 5mm and 7.5mm.

Single long neck flask with a Standard Taper outer joint Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Heating mantles are preferred over Bunsen burners or hot plates for organic liquids. They provide even heating (no hot spots) and maximum surface coverage for better temperature uniformity. The Series STM mantle for applications needing more heat. Aluminum Housed Mantles Feature: Rigid…