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hybex™ Erlenmeyer Flasks
  • Borosilicate 3.3 hybex™ glass
  • Autoclavable, reusable & breakage resistant
  • Permanent enamel graduation markings
  • Ideal for shaking, media prep or storage

hybex™ Erlenmeyer Flasks are manufactured from high quality, borosilicate 3.3 glass. A low coefficient of thermal expansion (3.3), provides temperature resistance that is far superior to that of standard lab glass (or soda lime glass). hybex™ glass is designed to withstand high temperatures, making them ideal for shaking applications, media preparation and long-term storage.
The standard Erlenmeyer flasks have permanent, white enamel graduations for volume measurement and a white identification box for marking or coding.

hybex™ Erlenmeyer Flasks with GL45 caps
 
For storage of media and cultures, the capped flasks include an autoclavable polypropylene cap & drip-ring. Optional cap colors are available, as well as PBT material caps for temperature applications up to 180°C. (Threads are standard GL-45 for compatibility with a wide range of cap types from various manufacturers, including phenoic caps, vented caps, etc.)

Specifications

Flasks without Caps:

Materialhybex™ borosilicate glass (3.3)
SterilizationAutoclave or dry heat
Cap MaterialPolypropylene (140°C)

Flasks with Caps:

Materialhybex™ borosilicate glass (3.3)
Cap Thread SizeGL45
SterilizationAutoclave or dry heat
Cap MaterialPolypropylene (140°C)
Included CapBlue
Item#:
ASHYBEXERLENM
 
MIDSCI Spec Sheet

Sibata Micro Volumetric Flask

SIBATA Class A, TC Micro Volumetric Flasks meet ASTM E-237 Class A, Style I Specifications. These flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks, tooled for ST stoppers. The graduation line is sharp and permanent; large, white, block-letters allow the labeling to be easily read. Both sizes feature hexagonal bases for added stability and are supplied with a glass ST stopper which provides a leakproof seal, depending on the liquid used.

Key Features
  • Meets ASTM E-237 Class A, Style I Specifications
  • Available in 1mL or 2mL capacities
  • Supplied with glass ST stopper number 9
  • Sharp & permanent graduation line
Item#:
ASMICROVOLFL


Borosilicate Glass Filtering Flasks

  • Heavy wall borosilicate filtering flask includes a heavy-duty rim and a bolt neck with tabulation.
  • Graduations are printed in durable white enamel.

Specifications 

Item #CapacityApprox. OD x HeightGraduation RangeGraduation InternalStopper SizeTubing SizeQty/pk
FG5340-5050 mL52 x 85 mm20 - 50 mL10 mL53/8 In.6
FG5340-100100 mL64 x 108 mm50 - 100 mL25 mL53/8 In.6
FG5340-250250 mL86 x 160 mm100 - 250 mL25 mL63/8 In.1
FG5340-500500 mL108 x 190 mm200 - 500 mL50 mL63/8 In.1
FG5340-10001000 mL138 x 245 mm400 - 1000 mL50 mL83/8 In.1
FG5340-20002000 mL170 x 305 mm600 - 2000 mL200 mL9.51/2 In.1
FG5340-50005000 mL237 x 390 mm1500 - 5000 mL500 mL131/2 In.1
Item#:
ASBOROFILFKS

Sibata Volumetric Flasks, Glass Stopper

SIBATA Class A, To Contain, Volumetric Flasks meet ASTM E-288 Class A Specifications & USP Standards for Volumetric Glassware. These flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks which are tooled for standard taper stoppers. The graduation line is sharp and permanent; large, white block-letters allow the labeling to be easily read. Each flask also has a large marking square. All sizes are supplied with a glass standard taper stopper which provides a leakproof seal, depending on the liquid used.

Features

  • Meets ASTM E-288 Class A Specifications
  • Graduated To Contain
  • Available in capacities from 5mL to 2000mL
  • All sizes include a glass standard taper stopper
Item#:
ASSIBVOLFLASGLST

Sibata Volumetric Flasks, Glass Stopper, Amber

SIBATA Class A, Low-Actinic Amber, To Contain, Volumetric Flasks meet ASTM E-288 Class A Specifications & USP Standards for Volumetric Glassware.
These Flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks which are tooled for standard taper stoppers. The graduation line is sharp and permanent; large, white block-letters allow the labeling to be easily read. Each flask also has a large marking square. The low-actinic amber lass provides protection for materials sensitive to light. All sizes are supplied with a glass standard taper stopper which provides a leakproof seal, depending on the liquid used.

Key Features
  • Meets ASTM E-288 Class A Specification
  • Graduated To Contain
  • Low-Actinic Amber for light sensitive materials
  • Available capacities 10mL to 1000mL
Item#:
ASSIBVOLFLASGLSTAMB

Sibata Volumetric Flasks, Snap Cap

SIBATA Class A, To Contain, Volumetric Flasks with Snap Cap meet ASTM E-288 Class A Specifications & USP Standards for Volumetric Glassware. These flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks which are tooled for snap-cap fit. The graduation line is sharp and permanent; large, white block-letters allow the labeling to be easily read. Each flask has a large marking square. All sizes are supplied with a snap cap which helps protect against breakage and spills if the flask tips over.

Key Features
  • Meets ASTM E-288 Class A Specifications
  • Available in capacities from 5mL to 1000mL
  • Calibrated To Contain
  • Heavy-beaded, heavy-tubing necks
  • All sizes include a snap cap
Item#:
ASSIBVOLFLASNCAP

Volumetric Flasks with ST Stopper, Class A, Batch Certified

  • Durable, machine blown body
  • Heavy beaded tubing neck
  • Feature a sharp graduation line and large white block letters
  • Ground glass stopper included
  • Meets Class A specifications per ASTM E288

 Specifications
 
Item #CapacityToleranceStopper Size
FG5640-55 mL ± 0.02 mL9
FG5640-1010 mL± 0.02 mL9
FG5640-2020 mL± 0.03 mL9
FG5640-2525 mL± 0.03 mL9
FG5640-5050 mL± 0.05 mL9
FG5640-100100 mL± 0.08 mL13
FG5640-200200 mL± 0.1 mL16
FG5640-250250 mL± 0.12 mL16
FG5640-500500 mL± 0.2 mL19
FG5640-10001000 mL± 0.3 mL22
FG5640-20002000 mL± 0.5 mL27
 

Item#:
ASGLASCOLST

Borosilicate Glass Erlenmeyer Flasks, Set of 5

  • A convenient set of 5 Borosilicate Glass Erlenmeyer Flasks.
  • Set consists of one each of 50 mL, 125 mL, 250 mL, 500 mL, and 1000 mL Flasks.
 
Item#:
ASERLENSET


Heathrow Scientific® Lead Rings

 

Heathrow Scientific® Lead Rings are designed to stabilize glassware and lab vessels securely on the benchtop or in water baths. These vinyl-coated lead rings offer a flexible and protective solution for preventing tipping or movement of flasks, beakers, and cylinders during procedures.

 

The durable vinyl coating protects both your labware and benchtop from scratches, marks, or damage, while the C-shape design option allows for slight manual adjustment to accommodate a range of vessel sizes.

 

Ideal for labs using water baths or uneven surfaces, these stabilizing rings improve safety and efficiency during experiments. Sold in vibrant blue, they offer easy visibility in busy workspaces.

 

Key Features

  • Stabilizes labware on benchtops or in water baths
  • Vinyl-coated lead won’t scratch glassware or lab surfaces
  • Ideal for use with flasks, beakers, and graduated cylinders
  • Durable, reusable, and easy to clean
  • Color: Blue for visibility and organization 

Specifications
 
Item #Ring TypeFits Flask SizesInside DiameterOutside DiameterWeight
HS8881AC-Shaped125 mL to 500 mL1.9 In. | 4.8 cm3.0 In. | 7.6 cm215 g | 0.47 lbs 
HS8881BC-Shaped250 mL to 1000 mL2.0 In. | 5.1 cm3.5 In. | 8.9 cm465 g | 1.03 lbs
HS8881CC-Shaped500 mL to 2000 mL2.1 In. | 5.3 cm3.9 In. | 9.9 cm595 g | 1.31 lbs 
HS8881DC-Shaped1000 mL to 4000 mL2.6 In. | 6.6 cm4.4 In. | 11.2 cm890 g | 1.96 lbs
HS8882AO-Shaped125 mL to 500 mL1.9 In. | 4.8 cm3.0 In. | 7.6 cm210 g | 0.46 lbs 
HS8882BO-Shaped250 mL to 1000 mL2.0 In. | 5.1 cm3.5 In. | 8.9 cm490 g | 1.08 lbs
HS8882CO-Shaped500 mL to 2000 mL2.2 In. | 5.6 cm3.9 In. | 9.9 cm610 g | 1.34 lbs 
HS8882DO-Shaped1000 mL to 4000 mL2.8 In. | 7.0 cm4.5 In. | 11.4 cm935 g | 2.06 lbs
 

Item#:
ASLEADRING

VOLUMETRIC FLASKS, CLASS A, WITH SNAP CAP, BATCH CERTIFIED

  • Durable, machine-blown body
  • Heavy beaded tubing neck
  • Feature a sharp graduation line and large white block letters
  • Plastic snap cap is included
  • Meets Class A specifications per ASTM E288

 

ITEM #

CAPACITY (ML)

TOLERANCE (± ML)

PLASTIC CAP NUMBER

FG5580-50

50

0.05

3

FG5580-100

100

0.08

4

FG5580-200

200

0.10

5

FG5580-250

250

0.12

5

FG5580-500

500

0.20

5

FG5580-1000

1000

0.30

6

FG5580-2000

2000

0.50

8
Item#:
ASGLASVOLFLKSSC

ERLENMEYER FLASKS, NARROW MOUTH, BOROSILICATE GLASS

  • Designed to give the best combination of thermal shock resistance and physical strength
  • Feature heavy-duty rims and graduations in durable white enamel

 

ITEM #

CAPACITY (ML)

GRADUATION INTERVAL (ML)

TOLERANCE (± ML)

FG4980-10

10

N/A

N/A

FG4980-25

25

10 - 25

5

FG4980-50

50

20 - 50

10

FG4980-100      

100

50 - 100

25

FG4980-125

125

50 - 125

25

FG4980-150

150

75 - 150

25

FG4980-250

250

50 - 200

25

FG4980-500

500

100 - 500

50

FG4980-1000

1000

250 - 1000

50

FG4980-2000    

2000

600 - 2000

200

FG4980-3000

3000

1000 - 3000

500

FG4980-5000    

5000

1500 - 5000

500
Item#:
ASGLASERLENFLKS
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