This category covers reusable glass apparatus for teaching, research and quality control labs. It includes test tubes in light-wall, rimless, side-arm and screw-cap styles (bakelite caps with rubber liners), graduated glass centrifuge tubes with stoppers or screw caps, crystallizing dishes, glass Petri dishes, evaporating basins, calibrated pycnometers, 300 mL B.O.D. bottles, and ground-joint pieces such as Claisen, vacuum, reducing and expansion adapters and stoppers. Larger setups include Soxhlet extraction apparatus, Kjeldahl distillation sets, water-jacketed flasks, distillation apparatus and organic chemistry glassware kits, plus porcelain and plastic spot plates.

Check the glass type first: borosilicate handles heating and temperature changes far better than soda glass. Match ground-joint sizes exactly, such as 24/40 or 29/42, so adapters, stoppers and flasks fit. Compare capacity, dimensions, wall thickness, graduation or calibration, closure type and pack quantity, and confirm the speed rating before using glass tubes in a centrifuge.

Reusable Glassware: common questions

What is a crystallizing dish used for?

A crystallizing dish is a shallow, flat-bottomed glass dish with straight sides. It is used to evaporate solutions so crystals can form, and also as a water or ice bath, a cover dish, or a container for holding small items. Borosilicate dishes can be heated gently, and versions with a spout make pouring easier.

When should I use glass centrifuge tubes instead of plastic?

Glass centrifuge tubes are chosen for organic solvents that attack plastics, for work where plastic leachables could interfere, and when tubes will be cleaned and reused. They can break under high forces, so use them only within the speed or g-force rating given by the maker, with properly fitting adapters or cushions in the rotor.

What does 24/40 mean on lab glassware?

24/40 is a standard taper ground-glass joint size. The first number is the approximate diameter in millimeters at the wide end of the joint, and the second is the length of the ground section in millimeters. Male (cone) and female (socket) joints with the same numbers fit together, and reducing or expansion adapters connect different sizes.

What is the difference between borosilicate and soda-lime glass?

Borosilicate glass has low thermal expansion, so it tolerates heating and rapid temperature changes much better than soda-lime glass and is more resistant to chemical attack. Soda-lime glass costs less and is used for items that are not heated, such as some jars and display pieces. For heating, autoclaving or flame work, choose borosilicate.

Reusable Glassware

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  1. Low Profile Internal Overhead Bearing Assembly 3L
    Manufacturer: Bellco Glass Inc
    IOB assembly uses smooth bearing action and fits under the 100mm screw cap with ptfe cap seal and silicone gasket. Allows for smoother and better mixing inside the spinner flasks. Dimensions: 3 x 5 1/4" (1 per EA )
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    $763.74
  2. Stainless Steel Overhead Drive Impeller Assembly 15L-FW Full Width
    Manufacturer: Bellco Glass Inc
    Manufactured from 316l stainless steel for standard bioreactor vessels. Use with over head drive motors. PADDLE L X W (IN): 3 X 9. (1 per EA )
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    $741.19
  3. Water Jacketed Flask Only,250mL
    Manufacturer: Bellco Glass Inc
    Flask only. For use circulating water bath or chiller and magnetic stir plate. Hose connection accepts 3/8" ID silicone tubing (Bellco M7965037) Available complete with micro-carrier impeller assembly or as components. Specifications: Jacket Volume (mL): 175ml Cap Size: 70mm Sidearm Cap Size (mm): 25 OD x OAH: 85x160mm (1 per EA )
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    $585.16
  4. Micro Carrier Spnr Flask Only, 8L No Ctr Cap
    Manufacturer: Bellco Glass Inc
    Promotes optimal growth of suspension and micro-carrier culture. Impeller height adjust through compression fitting center cap. The indented bottom prevents accumulation of micro-carrier beads under impeller. Size: 8l Sidearm cap: 45mm (included) (1 per EA )
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    $961.73
  5. Stainless Steel 2-Port Assembly, 1L For Angled Sidearms
    Manufacturer: Bellco Glass Inc
    All port assemblies are manufactured from 316l stainless steel and have an electropolish finish. 2- port assemblies have siphon and vent tubes. 3-port assemblies have siphon, fill tube and vent tubes. All port assemblies include a 45mm blue polypropylene cap. (1 per EA )
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    $259.35
  6. Digital Roller Apparatus Base & 8 Deck 230V
    Manufacturer: Bellco Glass Inc
    The Bellco Cell Production Roller Apparatus has been designed for production of animal cells, viruses, and cell products. Modular units are available from 5 to 45 bottle positions and allow easy expansion with modular add-on decks. Non-modular production units come in 45 and 50 bottle positions with over 80,000 cm2 of surface area. Rollers have a key design to eliminate slipping and are easily removable for servicing of bearings. Rollers are formulated from a chemical-resistant non-slip EDPM. All units feature a solid state control with heavy-duty DC motor and digital display. All Position Drives are for use with plastic roller bottles to prevent slipping of the light-weight bottles. Roller Shaft Construction: Non-transferring chemical-resistant rubber rollers with key-shape. Clearance between Decks for Bottle Placement: 134 mm. Construction Material: Aluminum, enamel finish. Usable Roller Length: 51 cm. Brushless motor with controller for smooth operation and no maintenance. Easy-to-remove roller bar assembly (tool provided). Digital LCD display. Locking speed control knob. All position drives. Accepts all Bellco Roller Bottles (glass or plastic* in 110mm or 120mm diameter). Battery backup provides 18 hour service (typical at 2 RPM). Battery backup includes both audible and visual indicators. Motion Alarm (1 per EA )
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    $11,150.92
  7. Heavy Duty Recriprocating Shaker Complete, 230V With 16 Sq Tray& Linerin
    Manufacturer: Bellco Glass Inc
    The unit is a laboratory shaker with a reciprocating stroke adjustable for 1”, 1 ¾” & 2 ½”. It is designed to shake clear plastic culture bags with working volumes between 5 & 10 liters, as well as function as a general purpose laboratory shaker. The unit incorporates a digital speed control and 50W brushless DC motor and runs on plastic raceways for minimal noise. Speed is controlled with a numbered dial located on the front of the unit and ranges from 5 to 150 cycles/min approximately. Units are powered by standard 24V in-line power supplies and are CE compliant. The OptimaTM bag trays are sold separately. (1 per EA )
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    $4,036.66
  8. Heavy Duty Recriprocating Shaking Base, 115V No Tray
    Manufacturer: Bellco Glass Inc
    The unit is a laboratory shaker with a reciprocating stroke adjustable for 1”, 1 ¾” & 2 ½”. It is designed to shake clear plastic culture bags with working volumes between 5 & 10 liters, as well as function as a general purpose laboratory shaker. The unit incorporates a digital speed control and 50W brushless DC motor and runs on plastic raceways for minimal noise. Speed is controlled with a numbered dial located on the front of the unit and ranges from 5 to 150 cycles/min approximately. Units are powered by standard 24V in-line power supplies and are CE compliant. The OptimaTM bag trays are sold separately. (1 per EA )
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    $3,511.70
  9. Trypsinizing Flask,250mL
    Manufacturer: Bellco Glass Inc
    Manufactured from type 1 class a Borosilicate glass. Designed with deep side baffles for optimal agitation. Large bottom surface for easy access with Bellco large orifice pipette. Break resistant lip Size: 250mL OD x OAH – 80 x 140mm 3 per case (3 per CS )
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    $156.70
  10. 3-Port L/D Thermowell Assembly, 3L Low Profile - For VSA Vessels
    Manufacturer: Bellco Glass Inc
    Thermowell assemblies are used to hold inside one tube the rtd temperature sensor that monitors the temperature within the vessel in conjunction with a temperature controller. There are also tubes for addition of media and vent tube. For low profile 3L Vessel Material: 316L SST with Ra 32 or better - inside & out One Vent port; .250"OD x .152" ID x 1.0"above & below cap slug One Addition port: .250"OD x .152"ID x 8.35" insertion length One Thermowell port: .375"OD x .305"ID x 8.35" insertion length All tubes seam weld in to cap slug - bottom side only Supply with 45mm PP blue open top screw cap & white silicone gasket (1 per EA )
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    $295.79
  11. Stainless Steel 3- Port Assembly, 3L For Angled 45mm Sidearms
    Manufacturer: Bellco Glass Inc
    Size: 3l Seam welded w/ electropolish finish 3-port w/ siphon, fill & vent tubes Includes: 45mm pp cap & silicone gasket Longest tube: 5" (1 per EA )
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    $296.37
  12. Stainless Steel 3-Port Assembly,15L For Angled Sidearms
    Manufacturer: Bellco Glass Inc
    Size: 15l Seam welded w/ electropolish finish 3-port w/ siphon, fill & vent tubes Includes: 45mm pp cap & silicone gasket Dimensions: 1/4"OD x .152" ID Longest tube: 11 15/16" at curve (1 per EA )
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    $394.00
  13. Internal Overhead Bearing Impeller Assembly, 500mL
    Manufacturer: Bellco Glass Inc
    Stainless steel shaft design prevents cell damage and minimizes magnetic decoupling. Sealed internal assembly requires less incubator space. For use with bellco 1965-series standard and water jacketed spinner flasks. Cap size: 100mm Flask size: 50omL PADDLE L X W:2 X 2 IN (1 per EA )
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    $520.50
  14. Sci/ERA Deck Only, 5 Pos All Postion Drive
    Manufacturer: Bellco Glass Inc
    Dimensions: 6h x 30w x 24d (18h x 76w x 63dcm) (1 per EA )
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    $1,106.66
  15. Stainless Steel Overhead Drive Impeller Assembly 8L Full Width
    Manufacturer: Bellco Glass Inc
    Manufactured from 316l stainless steel for standard bioreactor vessels. Use with over head drive motors. PADDLE L X W (IN): 3 X 8. (1 per EA )
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    $700.73
  16. Water Jacketed Flask Only,100mL
    Manufacturer: Bellco Glass Inc
    Flask Only. For use circulating water bath or chiller and magnetic stir plate. Hose connection accepts 3/8" ID silicone tubing (Bellco M7965037) Available complete with micro-carrier impeller assembly or as components. Specifications: Jacket Volume (mL): 75ml Cap Size: 70mm Sidearm Cap Size (mm): 18 OD x OAH: 75x160mm (1 per EA )
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    $477.90
  17. Roller Apparatus Base & 2 Decks, 115V Modular - 15 Position
    Manufacturer: Bellco Glass Inc
    The Bellco Cell Production Roller Apparatus has been designed for production of animal cells, viruses and cell products. Modular units are available from 5 to 45 bottle positions and allow easy expansion with modular add-on decks. Non-modular production units come in 45 and 50 bottle positions with over 80,000 cm2 of surface area. Rollers have a key design to eliminate slipping and are easily removable for servicing of bearings. Rollers are formulated from a chemical-resistant non-slip EDPM. All units feature a solid state control with heavy-duty DC motor and analog tachometer. Non-modular production models feature rubber bumpers, handles and a slotted rear guard. (1 per EA )
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    $4,834.12
  18. Digital Roller Apparatus Base & 5 Deck 230V
    Manufacturer: Bellco Glass Inc
    The Bellco Cell Production Roller Apparatus has been designed for production of animal cells, viruses, and cell products. Modular units are available from 5 to 45 bottle positions and allow easy expansion with modular add-on decks. Non-modular production units come in 45 and 50 bottle positions with over 80,000 cm2 of surface area. Rollers have a key design to eliminate slipping and are easily removable for servicing of bearings. Rollers are formulated from a chemical-resistant non-slip EDPM. All units feature a solid state control with heavy-duty DC motor and digital display. All Position Drives are for use with plastic roller bottles to prevent slipping of the light-weight bottles. Roller Shaft Construction: Non-transferring chemical-resistant rubber rollers with key-shape. Clearance between Decks for Bottle Placement: 134 mm. Construction Material: Aluminum, enamel finish. Usable Roller Length: 51 cm. Brushless motor with controller for smooth operation and no maintenance. Easy-to-remove roller bar assembly (tool provided). Digital LCD display. Locking speed control knob. All position drives. Accepts all Bellco Roller Bottles (glass or plastic* in 110mm or 120mm diameter). Battery backup provides 18 hour service (typical at 2 RPM). Battery backup includes both audible and visual indicators. Motion Alarm (1 per EA )
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    $8,373.59
  19. Water Jacketed Flask Complete, 1L
    Manufacturer: Bellco Glass Inc
    For use circulating water bath or chiller and magnetic stir plate. Hose connection accepts 3/8" ID silicone tubing (Bellco M7965037) Available complete with micro-carrier impeller assembly or as components. Specifications: Jacket Volume (mL): 875ml Cap Size: 100mm Sidearm Cap Size (mm): 45 OD x OAH: 150x255mm (1 per EA )
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    $1,002.86
  20. Digital Roller Apparatus Base & 7 Deck 230V
    Manufacturer: Bellco Glass Inc
    The Bellco Cell Production Roller Apparatus has been designed for production of animal cells, viruses, and cell products. Modular units are available from 5 to 45 bottle positions and allow easy expansion with modular add-on decks. Non-modular production units come in 45 and 50 bottle positions with over 80,000 cm2 of surface area. Rollers have a key design to eliminate slipping and are easily removable for servicing of bearings. Rollers are formulated from a chemical-resistant non-slip EDPM. All units feature a solid state control with heavy-duty DC motor and digital display. All Position Drives are for use with plastic roller bottles to prevent slipping of the light-weight bottles. Roller Shaft Construction: Non-transferring chemical-resistant rubber rollers with key-shape. Clearance between Decks for Bottle Placement: 134 mm. Construction Material: Aluminum, enamel finish. Usable Roller Length: 51 cm. Brushless motor with controller for smooth operation and no maintenance. Easy-to-remove roller bar assembly (tool provided). Digital LCD display. Locking speed control knob. All position drives. Accepts all Bellco Roller Bottles (glass or plastic* in 110mm or 120mm diameter). Battery backup provides 18 hour service (typical at 2 RPM). Battery backup includes both audible and visual indicators. Motion Alarm (1 per EA )
    Learn More
    $10,278.87
  21. Heavy Duty Recriprocating Shaker Complete, 115V With 16 Sq Tray& Linerin
    Manufacturer: Bellco Glass Inc
    The unit is a laboratory shaker with a reciprocating stroke adjustable for 1”, 1 ¾” & 2 ½”. It is designed to shake clear plastic culture bags with working volumes between 5 & 10 liters, as well as function as a general purpose laboratory shaker. The unit incorporates a digital speed control and 50W brushless DC motor and runs on plastic raceways for minimal noise. Speed is controlled with a numbered dial located on the front of the unit and ranges from 5 to 150 cycles/min approximately. Units are powered by standard 24V in-line power supplies and are CE compliant. The OptimaTM bag trays are sold separately. (1 per EA )
    Learn More
    $3,873.55
  22. Low Profile Single Pan Hot Shaker,115V
    Manufacturer: Bellco Glass Inc
    Bellco’s new Low Profile Hot Shaker provides gentle, large orbit shaking motion combined with precise temperature control. Designed to be the perfect solution for incubation of electrophoretic gels and filter hybridization media, the Low Profile layout promotes easy access to the independent microprocessor driven temperature controller and reliable control of shaking speeds up to 75 oscillations per minute. The quiet brushless drive motor and repeatable, stable temperature settings from 5°C above ambient up to 99.9°C may be effectively used in most biochemical, chemical and microbiological applications. (1 per EA )
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    $5,189.95
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