The Sibata Class A Volumetric Flask features machine-blown body and heavy-beaded, heavy-tubing neck that is tooled for a snap-cap fit.

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.

Calibrated to Class A ASTM E-542 and E-288 Supplied with a certificate of identification Traceable to NIST standards The graduation line is sharp and permanent. Large white block letters make it easy to read. Supplied with a Standard Taper stopper.

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…

Permanent graduation line Machine-blown bodies Heavy-beaded, heavy-tubing necks are tooled for polyethylene stopper Stopper is made with a closed bottom and is of linear, high-density polyethylene to conform to Standard Taper stopper dimensions

Transluscent flasks are supplied with a PFA screw cap. Screw caps provide hermetic seals and help reduce the possibility of outside contamination. The product is manufactured to Class A tolerances as defined by ISO 1042 and flasks have individually calibrated graduation lines. They withstand high…

RAY-SORB Processed Glass with PTFE Stoppers Pipet access is easy with wide-mouth, volumetric flasks Superior strength, durability and safety from heavy, uniform walls Quick identification with large, permanent, easy-to-read markings Flat interior bottoms for stirring with standard…

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.

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…

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.…

Borosilicate glass volumetric flask, fitted with solid glass stopper, in compliance with ASTM-E288 standard. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C Annealing Point 565°C Softening Point 820°C. Calibrated to contain. Eisco…

Made of high quality, heavy duty, borosilicate 3.3 glass Beaded rim facilitates proper stopper fit (stopper not included) Class B tolerance, as per ISO 1042 Features a single graduation mark for precise dilution and preparation Volumetric flask made of high quality, heavy duty borosilicate 3.3…

Polymethylpentene (PMP) volumetric flasks provide a break-resistant alternative to glass. Flasks meet Class B per DIN EN ISO 1042. Flasks are supplied with matching PP screw cap. The 10 mL size allows for accurate measurement of small volumes • Screw cap • Meets Class B per…

RAY-SORB® processed to protect materials sensitive to the light of shorter wavelengths Less than 1% transmission below 400 nm and approximately 5% transmission from 400-600 nm Pipet access is easy with wide-mouth volumetric flasks Superior strength, durability and safety provided by…

These borosilicate glass volumetric flasks are provided with a plastic closed-bottom stopper which fits the Standard Taper ground zone. Stopper design prevents the neck from breaking if flask is tipped over. Calibrated "to contain" (TC) at 20°C.

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…

These Volumetric Flasks are made from quality borosilicate glass, and come fitted with a PTFE stopper. Volumetric flasks are used to contain a very precise volume of liquid or other substance at a particular temperature. Class B. PRODUCT WARNINGS WARNING: This product can expose you…

These PYREX VISTA volumetric flasks are designed for use by customers that do not require the precision accuracy of our Class A capacity flasks. The shape, body and wall are the same as regular flasks but display the large blue marking spot and designation "PYREX VISTA" unique to the…

Made of high quality, heavy duty, borosilicate 3.3 glass Calibrated to contain Features a single white graduation mark for precise dilution and preparation Fitted with a polypropylene stopper Class A tolerance conforms with ASTM-E288 standards Volumetric flask made of high quality, heavy duty…

Made of high quality borosilicate 3.3 glass Includes polyethylene snap cap Single graduation line for precise dilution and preparation Class B as per ASTM-E288 Volumeteric flaks made of durable borosilicate 3.3 glass with a single graduation mark. Fitted with a chemically-resistant…

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,…

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.…

Accuracy of standard glass flasks combined with the break resistance of plastic Leakproof No meniscus to confuse readings Gravimetrically calibrated individually TC/TD at 20°C, then marked with a permanent color graduation line. Oval marking spot has additional line at 203 mL level for BOD…

Scan the QR code printed directly on the body of the flask to retrieve a PDF of the calibration batch certificate Made of high quality, heavy duty, borosilicate 3.3 glass. Can withstand high temperatures & thermal shocks Class A tolerance conforms to ISO 1042 standards Ground socket fitted with…

Silicone bumpers slip easily onto any volumetric flask. In the event of a flask being accidentally tipped over, the wide bumpers cushion the neck from hitting the table surface. Color coded and available in five different sizes. Wide design to cushion flasks if tipped over Made of…

Borosil® Amber Light Blocking 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…

Specially designed, standardized flasks, with stoppers. All capacities have 12/18 joint with approximately 10 mm opening. Cylindrical body affords better mixing and drainage, and ease of withdrawal using pipets. Wide base offers greater stability. Uppe

Flasks are manufactured to conform to Federal Specifications NNN-F-289 for Type 1, Class "A" unserialized flasks and ASTM E-288. Supplied complete with one solid glass pennyhead stopper. For additional stoppers, see CG-3018.

Available with markings in four colors, the KIMAX® Colorware flasks are brighter in appearance than traditional glassware with white markings. These flasks are also commonly used to help reduce cross-contamination and for easy identification of glassware between labs. KIMAX®…

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A plastic snap cap is included.

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…