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. Sci/ERA 10 Deck, 115V
    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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    $15,265.06
  2. Sci/ERA Base & 1 Deck, 115V
    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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    $10,616.12
  3. Bellco Glass, Inc -Bell-Stirr, 1 Position,100V-8L
    Manufacturer: Bellco Glass Inc
    Bellco Magnetic Stirrers are specifically designed for growing both mammalian and bacterial cultures where minimal heat transfer from the magnetic stirrer to the culture vessel is essential. They are ideal for tissue cultures grown in spinner flasks. Bellco incorporates low wattage DC motors to reduce stirrer heat up. Independent power and speed controls allow unit to maintain a speed setting when switched on and off. Powerful magnets rotate on ball bearing shafts for increased coupling and continuous maintenance free service. Polyurethane drive belts resist humidity and temperature. The 100V, 115V & 230V models feature a convenience outlet that allows daisy chaining of up to ten stirrers. Speed range: 30 - 1000 rpm +/- 5% (1 per EA )
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    $1,059.44
  4. Bellco Glass, Inc -High Speed Impeller Shaft,8L
    Manufacturer: Bellco Glass Inc
    H/S Impeller Shaft only,8L . Bore x OAL 5/8 x 18 3/4" (1 per EA )
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    $834.56
  5. Flat Bottom Canister Complete 38X130mm
    Manufacturer: Bellco Glass Inc
    Manufactured from type 1 class a Borosilicate glass. Bottom pad prevents chipping and breaking of pipette tips. All components can and will withstand repeated dry or steam heat serialization. For Pasteur pipettes - 5 3/4" long. Case qty-6 (6 per CS )
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    $143.62
  6. 3/4 Port Plug Assembly
    Manufacturer: Bellco Glass Inc
    Used in 3, 7 and 10 liter bioreactors for 3/4: accessories in head plate. Includes o-ring and hex nut. (1 per EA )
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    $163.77
  7. 3/8 Port Plug Assembly
    Manufacturer: Bellco Glass Inc
    Used in 3, 7 and 10 liter bioreactors for 3/8" accessories in head plate. Includes o-ring and hex nut. (1 per EA )
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    $152.10
  8. Bell-Flo Complete, 100mL
    Manufacturer: Bellco Glass Inc
    Manufactured from type 1 class a Borosilicate glass. Bottom indent and 3 vertical baffles for optimal mixing. Bottom indents & three vertical baffles for optimal mixing 32mm or 45mm sidearms for port assemblies Rugged stainless steel/PTFE internal bearing assemblies. CENTER CAP:70MM, SIDEARM CAP:32MM, -OAH X OD:150 X 65 (1 per EA )
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    $167.97
  9. Glass Ball Spinner Only,100mL No Ctr Cap
    Manufacturer: Bellco Glass Inc
    Description: Glass Ball Spinner Flask Only Size: 100mL Material: Type 1 Class A Borosilicate Glass Dimensions: 63.5mm OD x 135mm Overall Height, 145mm across sidearms Two 32mm Sidearms angled 55° offset center 70mm Screw Thread Center Neck Dimpled Bottom Graduations: 20mL to 100mL, every 20mL – White Ink (Approx Volumes) Supply with: Two 32mm PP Blue Screw Caps & PP Blue Pouring Rings (1 per EA )
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    $148.68
  10. Flat Bottom Adjustable Hanging Bar Spin,25mL No Ctr Cap
    Manufacturer: Bellco Glass Inc
    Adjustable spinner height. Ptfe impeller assembly rides on glass bearings for friction free operation. 25ml & 50ml have black phenolic rubber lined caps. 100ml-300ml have polypropylene caps, silicone gasket and pouring rings. Size: 25ml Dimensions: 38mm OX 120mm TALL. CENTER NECK: 38mm. SIDEARMS: 18mm. BLACK PHENOLIC RUBBER LINED SCAPS. GRADUATIONS: 5ml TO 25ml. (1 per EA )
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    $150.53
  11. Beaker-Heavy Wall 50 mL
    Manufacturer: Bellco Glass Inc
    Manufactured from Type 1 Class A Borosilicate Glass with a low coefficient of expansion. Heavy wall beakers meet astime-960 type 1 specifications for classification design capacity and markings. Features a easy pour spout, white permanent graduations and a large marking square. Specifications: Type 1 Class A Borosilicate Glass Size: 50mL Dimensions: 41 x 56mm Case Quantity: 12 (12 per CS )
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    $138.19
  12. Beaker-Heavy Wall 100 mL
    Manufacturer: Bellco Glass Inc
    Manufactured from Type 1 Class A Borosilicate Glass with a low coefficient of expansion. Heavy wall beakers meet astime-960 type 1 specifications for classification design capacity and markings. Features a easy pour spout, white permanent graduations and a large marking square. Specifications: Type 1 Class A Borosilicate Glass Size: 100mL Dimensions: 51 x 65mm Case Quantity: 12 (12 per CS )
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    $158.92
  13. United Scientific™ Adapter, 3-Way, 24/40 Joint
    Manufacturer: United Scientific Supplies
    Three-way 24/40 adapter with sidearm angled at 75 degrees. Adapter features inner joints on the sidearm and bottom, and an outer joint on the top. (1 per EA)
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    was $50.30 Special Price $38.14
  14. United Scientific™ Condenser, Vigreux, 300mm, 24/40 Joint
    Manufacturer: United Scientific Supplies
    300mm Vigreux column with 24/40 joint. A Vigreux column is a type of air condenser where the simple tube has been modified to include an abundance of downward-pointing indentations. This dramatically increases the surface area per unit length of the condenser. (1 per EA)
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    was $57.75 Special Price $43.73
  15. United Scientific™ Condenser, Liebig, 300mm, 24/40 Joint
    Manufacturer: United Scientific Supplies
    300mm Liebig condenser, used to cool and condense hot vapor as part of a distilling apparatus. This condenser has a straight inner tube that the condensing vapor passes through, and a larger outer jacket that cooling water passes through. Socket is 24/40 with a screw thread connector. (1 per EA)
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    was $54.20 Special Price $41.11
  16. United Scientific™ Condenser, Liebig, 500mm, 24/40 Joint
    Manufacturer: United Scientific Supplies
    500mm Liebig condenser, used to cool and condense hot vapor as part of a distilling apparatus. This condenser has a straight inner tube that the condensing vapor passes through, and a larger outer jacket that cooling water passes through. Socket is 24/40 with a screw thread connector. (1 per EA)
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    was $68.00 Special Price $51.49
  17. United Scientific™ Adapter, Inclined, 105°, 24/40 Joint
    Manufacturer: United Scientific Supplies
    Inclined 24/40 adapter with sidearm angled at 105 degrees. Adapter features outer joints on the sidearm and top, and an inner joint on the bottom. (1 per EA)
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    was $37.75 Special Price $27.53
  18. United Scientific™ Vacuum Adapter, Straight, 24/40 Joint
    Manufacturer: United Scientific Supplies
    Straight vacuum adapter with 24/40 joints. A 3/8" hose connector is included. (1 per EA)
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    was $37.85 Special Price $27.59
  19. Adapter Univ 8-11mm 24/40
    Manufacturer: Kimble Chase
    Adapters Inlet Medium and Full Length [standard taper] Joints BEVEL-SEAL [standard taper] Joint 24/40. Accommodation Range (mm) 8-11. Nominal Size (in.) 3/8. O-Ring Size 111. Mod. GPI Thread 20-415 For use with plain thermometers pipets syringes or other small items with an O.D. (1 per EA)
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    $117.72
  20. Adapter Filling St 24/40
    Manufacturer: Kimble Chase
    Adapters Filling Adapter AIRLESS-WARE Hose Connections #2. [standard taper] Joint 24/40. Approx. Overall Height x Width (mm) 250 x 54 Designed to complement the 547600 solvent repurifier and to facilitate product removal from the storage area. (1 per EA)
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    $133.90
  21. Adapter Inlet Septum 14/20
    Manufacturer: Kimble Chase
    Adapters Septum Inlet Adapter PTFE Plug AIRLESS-WARE [standard taper] Joint 14/20. Height Above Ground Joint (mm) 80. Approx. Overall Height x Width (mm) 100 x 55 Gas inlet adapter with a [standard taper] joint. (1 per EA)
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    $232.89
  22. Manifold Airless 3-Place
    Manufacturer: Kimble Chase
    AIRLESS-WARE Manifold Each stopcock has a metering groove cut into the plug to provide fine control of vacuum sources and inert gases. Distance between the three stopcocks is 65mm. Approximate overall length: 230mm. Number 2 hose connectors. (1 per EA)
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    was $884.32 Special Price $866.20
  23. Manifold Airless 3-Place
    Manufacturer: Kimble Chase
    AIRLESS-WARE Manifold 4mm PTFE vacuum valves provide grease-free control. Sample contacts only PTFE and borosilicate glass. Distance between valves is 100mm. Beams have a 12.7mm outer diameter delivery ports have a 9mm OD. Approximate overall length: 300mm. 3 places. (1 per EA)
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    was $1,192.31 Special Price $1,168.32
  24. Valve Release Pressure
    Manufacturer: Kimble Chase
    Pressure Release Valve Designed for applications that require an evacuated apparatus be filled with an inert gas to one atmosphere. Uses include introducing an inert gas into a vacuum desiccator or nitrogen into an AIRLESS-WARE apparatus. #2 hose connector. Overall height: 13cm. (1 per EA)
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    was $369.37 Special Price $356.71
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