Best Lab Volumetric Flasks in 2026

Class A

O.D. x Height(mm): 62 x 171

Tolerance(+/-ml): 0.01

Widely used as heating and reaction vessel in chemical experiments

Round Bottom Flask

Single Neck 24/40

CLASS A, ASTM E288 || Class A Tolerance, as per ASTM E288 standards

3 PIECE SET || Set includes three Volumetric flasks. 10ml, 25ml & 50ml capacities. Each flask includes a glass penny stopper, and features a single, white graduation mark

INDUSTRIAL QUALITY, SUPERIOR HEAT & CHEMICAL DURABILITY || Microwavable & autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Made of high quality Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use

CLASS A, ASTM E288 || Class A Tolerance, as per ASTM E288 standards

3 PIECE SET || Set includes three Volumetric flasks. 50ml, 100ml & 250ml capacities. Each flask includes a glass penny stopper, and features a single, white graduation mark

INDUSTRIAL QUALITY, SUPERIOR HEAT & CHEMICAL DURABILITY || Microwavable & autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Made of high quality Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use

50 ml Flat Bottom Boiling Flask

1 Single Neck Flat bottomed flask

Made of Borosilicate Glass

Round Bottom Flask, Short Neck

Made of Borosilicate glass

Single Short Neck with 24/40 joint

INDUSTRIAL STRENGTH || Made of high quality, heavy duty, Borosilicate 3.3 glass. Thick, uniform walls provide excellent strength against breakage. Designed for use in professional laboratories, but is ideal for classroom, garage and home use

5 PIECE SET || Set includes five Erlenmeyer flasks. 50ml, 150ml, 250ml, 500ml & 1000ml capacities. Flasks feature narrow necks, beaded rims and white, printed graduations

SUPERIOR HEAT & CHEMICAL DURABILITY || Microwavable and autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks

Class B Borosilicate Glass

Includes 1000ml, 500ml, 250ml flasks with glass stoppers

Tolerance ±0.100 ml

1000ml class A borosilicate glass volumetric flask

Tolerance ±0.300 ml

Comes with solid glass No. 22 stopper

Ground glass stopper

To contain

Permanent white enameled markings

Made of high quality Borosilicate glass

Includes snap cap

100ml blue graduation line for precise dilution and preparation

INDUSTRIAL STRENGTH || Made of high quality, heavy duty, Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use

50ML CAPACITY || Flask has a 50ml capacity, calibrated to contain, and features a single white graduation mark. Fitted with an interchangeable size 13 polypropylene stopper

ASTM, CLASS A || ASTM, Class A tolerance, ±0.05ml as per ASTM-E288

INDUSTRIAL STRENGTH || Made of high quality, heavy duty, Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use

10ML CAPACITY || Flask has a 10ml capacity, calibrated to contain, and features a single white graduation mark. Fitted with a #9 polypropylene stopper

CLASS A, ASTM || Class A tolerance. Compliant with ASTM-E288 standards

25ml class A borosilicate glass volumetric flask

Tolerance ±0.030 ml

Comes with solid glass No. 9 stopper

Capacity: 250 ml. Hemispherical

Interior Depth: 90mm, Interior Diameter: 94mm

Made of silvered Borosilicate glass with vacuum pumped and aluminum base

INDUSTRIAL STRENGTH || Made of high quality, heavy duty, Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use

500ML CAPACITY || Flask has a 500ml capacity, calibrated to contain, and features a single white graduation mark. Fitted with an interchangeable size 19 polypropylene stopper

ASTM, CLASS A || ASTM, Class A tolerance, ±0.20ml as per ASTM-E288

The flask is vase shaped and made of plastic, not easy to break,which can be used for long time.

The flask's mouth is furnished with a plastic stopper, reduce volatilization and reduce leakage.

Used for precise dilutions and preparation of standard solutions for industrial, laboratory, personal hobbies.

Made of high quality, heavy duty, 3.3 borosilicate glass. Class A tolerance

2000ml capacity, single white graduation mark

Fitted with solid glass stopper

VOLUMETRIC LABORATORY FLASK: This borosilicate glass flask is ideal chemistry glassware for use in laboratories, schools, and for home STEM activities and chemistry kits.

SAFE & DURABLE: Offering superior heat and chemical resistance along with mechanical strength, the scientific lab glassware is finished with a PYREX glass standard taper stopper.

CLEAR, PERMANENT MARKINGS: A sharp, permanent graduation line and large block white letters are easy to read, and the lab glass flask has a clear labelling area.

Class A volumetric flask with glass stopper for configuring accurate solutions of certain substance concentration in the laboratory

1 Pack; Made of Borosilicate glass

Capacity: 25 ml; Tolerance ±0.03 ml

INDUSTRIAL QUALITY || Volumetric Flask made of high quality, heavy duty, 3.3 borosilicate glass. Class A, ±1.200 tolerance

5000ML CAPACITY || 5000ml capacity, with a single white graduation mark

POLYETHYLENE STOPPER || Flask is fitted with a 34/35 size stopper made of chemical and heat resistant polyethylene

Meet ASTM E288 Specification

Calibrated TC – “To Contain”

Class A calibration tolerance for highest accuracy and the most critical laboratory work

Meet ASTM E288 Specification

Calibrated TC – “To Contain”

Class A calibration tolerance for highest accuracy and the most critical laboratory work

Glass Thistle Tube Long Stem Funnel bent new

top Diameter: 40 mm item OD 7mm total length 350mm

made of Borosilicate Glass

Meet ASTM E288 Specification

Calibrated TC – “To Contain”

Class B calibration tolerance for general laboratory work

100ml class A borosilicate glass volumetric flask

Tolerance ±0.080 ml

Comes with solid glass No. 13 stopper

INDUSTRIAL QUALITY || 5000mL Volumetric Flask made of high quality, heavy duty, Borosilicate 3.3 glass

CLASS A TOLERANCE || Meets DIN ISO 1042 tolerance of ±1.200mL and is individually calibrated to contain

SUPERIOR DURABILITY || Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks