Flasks, Evaporating

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

Calibrated to contain Designed from Federal Specification NNN-F-289, Type I, Class A and ASTM Standard E 288 Square body, which permits closer packing on shelves 25 to 35% less area than conventional flasks of similar capacities With marking spot and solid stopper

Heavy Wall Available from 5mL-1000mL Individually Certified Class A Glass Stopper included

NIST Traceable Barrel-shaped glass stopper Meets ASTM Standard E 694 and E 288 Designed from Federal Specification NNN-F-289, Type 1, Class A Serial number, marking spot and stopper

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.

SYNTHWARE round bottom, heavy wall, three neck flasks with standard taper outer joints on both the center neck and the vertical side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.

Erlenmeyer Flask, Microscale, Synthware, Capacity: 5, 10, and 25mL available, Joint: 14/10, supplied with one compression cap, one Viton O-ring and one PTFE-faced silicone septum.

Wide mouths allow easy access into these mixing bulb volumetric flasks for applications such as dissolving tablets and other solids. Mixing bulb in neck accommodates approximately one tenth of the flask’s total volume and is designed to aid in dissolving or mixing the contents of the flask...

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Individually serialized and certified.

These flasks are RAY-SORB™ processed to protect your light-sensitive contents from short-length lightwaves. Calibrated to contain With a marking spot Supplied with a PTFE Standard Taper stopper having a color-coded handle Replacement stopper is 41901R Designed from ASTM Specification E288,...

KimCote® plastic-coated flask with a single graduation ring blasted on the neck, calibrated to contain. A ground glass stopper is supplied. Marking spots on all sizes. Designed from ASTM Specification E288, Class A unserialized requirements.

KIMAX® heavy wall filter flasks have a quick-release connector designed as a safety feature Hose barb accommodates 1/4 inch ID tubing Tubing can remain permanently attached since the opposite end is designed to be easily assembled via a positive threaded seal Proper positioning of the connector...

Erlenmeyer flasks. Molded of chemically resistant, autoclavable polypropylene. Graduations are permanently molded into flask. The autoclavable polypropylene ribbed flask stand supports round bottom flasks that contain up to 10 liters.  May be stacked to save space or add height. Dimensions...

KIMAX flask with a full-length standard taper ground glass neck finish. Designed from ASTM Specification E1404, Type II, Class 1 requirements.

Round bottom, two neck flask. Side neck is angled. Available in standard wall for more rapid heating or heavy duty for mechanical shock resistance.

Flasks and caps are constructed of chemical resistant polypropylene All flasks and caps are fully autoclavable The TUNAIR™ Shake Flask Systems are a unique and patented flask and closure system, designed for microbiology and biotechnology applications. This system provides optimum growth...

With tooled neck for uniform stopper fit. Side hose connection is #11 Ace-Thred that accepts a PTFE Tubing Connector with silicone O-Ring and Nylon bushing to make an easier, safer, more convenient vacuum hose connection. Two connectors are available:

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

These flasks, also called vacuum flasks, have a side-arm with a 45° downward angle to prevent tipping.   Reduce broken glassware with this flask constructed of FDA grade polypropylene Side Arm accepts flexible tubing from 3/8" to 1/2" I.D. 1000 ml capacity

SYNTHWARE round bottom, heavy wall, four neck flasks with standard taper outer joints on both the center neck and the angled side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.

TriForest Erlenmeyer Shaker Flasks are manufactured with virgin, optically clear, non leaching LEXAN® Polycarbonate resin that retains clarity after gamma radiation. The flasks are certified pyrogen free, DNase/RNase free, ideal for cell cultures, microbial cultures, plants, media preparation,...

Calibrated "to contain"; tolerances are within Class B specifications With marking spot and polyethylene snap cap

This Volumetric Flask, featuring the Kohlrausch design, is a must-have for any laboratory requiring precise measurements. It is engineered for stability with its flattened bottom, ensuring it remains steady during use. This Class A flask guarantees high accuracy and reliability, meeting the...

SYNTHWARE round bottom, heavy wall, four neck flasks with standard taper outer joints on both the center neck and the vertical side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.