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

Borosil® Wide Mouth Class A Volumetric Flasks are individually calibrated by automatic, laser-controlled calibration equipment. Supplied with standard taper glass stoppers. Flasks comply with ASTM E-288, Class A. 20mL option is not covered in ASTM. 5mL, 10mL, and 20mL options have…

Borosil® Amber Wide Mouth Class A Volumetric Flasks are individually calibrated by automatic, laser-controlled calibration equipment. Supplied with standard taper glass stoppers. Flasks comply with ASTM E-288, Class A. 20mL, 500mL, 1L options is not covered in ASTM. 5mL, 10mL, and…

Screw cap or stopper Meet Class A tolerances per DIN EN ISO 1042 PFA or PMP construction Highly transparent Easy to clean Flasks are manufactured from PFA (a perfluoxy copolymer), which is highly resistant to heat and chemical contamination. PFA surface properties offer…

These borosilicate glass volumetric flask sizes comply with requirements for Type 1, Class A "Unserialized flasks". They are supplied with a standard taper penny head glass stopper. Calibrated "to contain" at 20°C. Reference: ASTM E288 and Federal Specifications NNN-F-289.…

Transluscent flask is supplied with tapered polypropylene stopper with an individually calibrated graduation line. The product is manufactured to Class A tolerances as defined by ISO 1042. They are supplied with an imprinted lot number and certificate. These flasks may be autoclaved to 121ºC…

Transluscent flask is supplied with tapered polypropylene stopper with an individually calibrated graduation line. The product is manufactured to Class B tolerances as defined by ISO 1042. Exposure to temperatures above 60°C may affect accuracy. Recommended routine cleaning up to 60ºC will…

PYREX® VISTA volumetric flasks provide precise volume measurement. The necks are tooled for Standard Taper glass stoppers. The graduation line is sharp and permanent and large blue block letters make the inscription easy to read. The 1 mL and 2 mL sizes are test tube shaped.  These Class A…

Volumetric flasks for microchemical work, sizes 1 through 5mL, are designed in accordance with the recommendations of the Committee of Microchemical Apparatus, Analytical Division of the A.C.S. Solid Standard Taper glass stopper and hexagonal base Calibrated to contain at 20°C, in…

Calibrated to contain at 20°C Red stripe, through which calibration mark is etched into transparent glass underneath Supplied with plastic snap cap

Low actinic stained glass provides protection for materials sensitive to light. The protective color is an integral part of the flask, which retains the mechanical strength, chemical stability and thermal resistance of PYREX brand hardware.

Permanently marked with an individual serial number, providing an easy way to track items used during analytical testing Carefully selected to meet the Class A requirements as specified in ASTM E 288 - Standard Specification for Volumetric Flasks Supplied with a Certificate of Graduation…

These PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. The heavy duty, wide mouth facilitates filling and mixing. Supplied with interchangeable Standard Taper PYREX® ground glass stopper. The graduation line…

These PYREX® 200mL volumetric flasks provide improved lab convenience, broad selection and precise volume measurement. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 13 Standard Taper glass stoppers.…

These Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 9 PTFE color-coded keyhole stoppers. For replacement stoppers see No. 7630. The graduation line is sharp and permanent. Large white block letters make the…

These volumetric flasks are highly-transparent, easy-to-clean, and meet Class A tolerances per DIN EN ISO 1042. Flasks are manufactured from PFA (a perfluoxy copolymer), which is highly resistant to heat and chemical contamination. PFA surface properties offer superior cleanability to glass,…

Calibrated "to contain" (TC) at 20°C and amberized for light sensitive studies, these Class A, borosilicate glass, wide mouth flasks are designed to provide pipette access along with facilitating filling and sampling. Unique flat bottom interior permits use of a standard stir bar. The…

Calibrated "to contain" at 20°C Accuracy tolerances approximately twice those specified for Class A

Low actinic red stained glass provides protection to light sensitive solutions. Allowing less than 1% transmission below 400nm and 5% from 400-600nm. Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior permits the use of a standard stir bar. Large…

Calibrated "to contain" at 20°C, the upper neck of these borosilicate glass flasks are enlarged to permit easy introduction of solids. Each flask is provided with a marking spot in addition to a serial number. NOTE: Supplied with Certificate of Compliance

These PYREX® 4L volumetric flasks provide improved lab convenience, broad selection and precise volume measurement. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 38 Standard Taper pennyhead glass…

These Class A PYREX® mixing volumetric flasks have an upper bulb, located between the Standard Taper stopper and the capacity graduation to assist in the mixing of liquids or powders when shaken. This bulb is approximately one-tenth the flask rated capacity of the flask. The strength of these…

These borosilicate glass graduated neck flasks come in sizes to supplement our official metric series, LG-4317. Additional sizes can be supplied on request. Calibrated "to contain" at 68°F/20°C.

Intended for checking automatic fill volumes, the borosilicate glass flask is calibrated "to contain" (TC) at 68°F.

Borosil® Class A Volumetric Flasks are individually calibrated by automatic, laser-controlled calibration equipment. Supplied with standard PP stoppers. Flasks comply with ASTM E-288-Class A. 20mL option is not covered in ASTM. 5mL, 10mL, and 20mL options have a trapezoidal shape…

These PYREX® standard volumetric flasks conform to Class A capacity tolerances prescribed by ASTM. However, to facilitate transfer of crystals, salts and powders, the open end has been expanded on the 25mL and 50mL sizes. The standard 18-410 G.P.I. thread screw caps have a durable cone-shaped…

KIMAX flask used in assay of oils of cinnamon, chenopodium, cloves, spearmint and other essential oils, according to methods of the United States Pharmacopoeia and the Essential Oil Association of the USA. Calibrated to contain. With a marking spot and a durable white ceramic enamel scale. Neck is…

Protect against leakage, breakage, and contamination. Thermo Scientific™ Nalgene™ Class B Polymethylpentene (PMP) Volumetric Flasks with Screw Caps are calibrated "To Contain" and "To Deliver" at 20°C. Flasks are lighter in weight than glass, more transparent…

KIMAX® flask calibrated to contain Class A accuracy but without a serial number Supplied with a polyethylene snap cap Replacement cap is 28150R Designed from ASTM Specification E288 requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP…

Glass quality, calibration lines, inscription and appearance are maintained according to the former NBS circular 602. Flask has a marking spot in addition to a serial number. Calibrated to contain (TC) at 20°C. Supplied with stopper.

KIMAX flask with a graduation ring blasted through a vertical stripe on the neck. Contrast between the blasted line and the deep amber background provides legibility without coloring of the graduation line. Calibrated to contain.  ground glass stopper is supplied with the flask. Designed from…

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.