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. Adapter Receiver Bend, socket 29/32, Cone 29/32
    Manufacturer: Eisco Scientific LLC
    Adapter Receiver Bend, socket 29/32, Cone 29/32 (1 per EA )
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    was $23.98 Special Price $19.51
  2. Test Tube, Rimless 5ml 75 x 12mm, PK/48
    Manufacturer: Eisco Scientific LLC
    Test Tube, Rimless 5ml 75 x 12mm, PK/48 (48 per PK)
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    was $26.25 Special Price $21.36
  3. 60ml Crystallizing Dishes Without Spout, Boro. Glass, Flat Bottom
    Manufacturer: Eisco Scientific LLC
    60ml Crystallizing Dishes Without Spout, Boro. Glass, Flat Bottom (1 per EA )
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    was $7.11 Special Price $5.79
  4. 2-Port Stainless Steel Assembly 15L For Vertical Overhead Drive Vessels
    Manufacturer: Bellco Glass Inc
    2-port 45mm cap assembly, 15l For 15l 1964 style Over Head Drive vessels Long tube: 1/4"od x 17 1/8" Short tube: 1/4"od x 2.156" All tubes extended up 1.0" above the cap slug Supply 45mm s/cap & white silicone liner (1 per EA )
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    $336.85
  5. Water Jacketed Flask Only, 1L
    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): 875ml Cap Size: 100mm Sidearm Cap Size (mm): 45 OD x OAH: 150x255mm (1 per EA )
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    $918.96
  6. Water Jacketed Micro CarrierSpin Flask Complete,8L
    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): 7500ml Cap Size: 100mm Sidearm Cap Size (mm): 45 OD x OAH: 300x465mm (1 per EA )
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    $3,583.84
  7. Internal Overhead Bearing Impeller Assembly, 6L
    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: 6l PADDLE; (W X H) 6.3/4" X 5" (1 per EA )
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    $910.98
  8. Internal Overhead Bearing w/ Water Jacketed Flask,100mL
    Manufacturer: Bellco Glass Inc
    Internal impeller is useful because it decreases risk of contamination thorugh the cap. Has an adjustable shaft to align the paddle with the bottom of the flask. Large paddle promotes increased oxygenation with low shear. Stainless steel shaft design prevents cell damage and minimizes magnetic decoupling. (1 per EA )
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    $938.20
  9. Nephelo Flask-Screw Cap38 300 mL
    Manufacturer: Bellco Glass Inc
    Ideal for growing, storing and mixing or aerobic and anaerobic cultures. Threaded neck and sidearm with clean-out port. Supplied with 38mm and 18mm rubber lined black phenolic screw caps. Specifications: Type 1 Class A Borosilicate Glass Sizes: 300mL Includes: 38mm And 18mm Black Phenolic Screw Caps Sidearm Dimensions: 12x130mm Case Quantity: 4 (4 per CS )
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    $393.83
  10. Centrifuge Bottle,780ml
    Manufacturer: Bellco Glass Inc
    Manufactured from type 1 class a Borosilicate glass. Supplied with a 38-400 black phenolic rubber lined screw cap. Dimensions: 96x173mm Size: 780ml (4 per CS )
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    $398.44
  11. Process Bottom Roller Apparatus 8 Deck, 230V W/O Battery Backup
    Manufacturer: Bellco Glass Inc
    The Bellco Process Controlled Bottom Drive Roller Apparatus holds up to 50 (see specifications below) full size glass or plastic roller bottles (110 to 120 mm diameter and up to 510 mm in length). The unit features a brushless DC motor and controller that operate at bottle speeds ranging from 0.3 to 9.0 rpm with the ability to select clockwise or counter clockwise direction. Units feature brushless, maintenance-free DC motors with drive assemblies designed for quiet operation. Four corner bumpers and two locking castors (on the front wheel positions) are also provided. Rollers are easily removed for replacement by using the special tool provided with each unit. All-Position Drive facilitates the use of lightweight plastic roller bottles by ensuring rotation at each bottle station, independent of any load configurations. (1 per EA )
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    $10,882.24
  12. Digital Bottom Roller Apparatus 8 Deck,230V- W/ Battery Backup
    Manufacturer: Bellco Glass Inc
    The Bellco Digital Bottom Drive Roller Apparatus holds up to 50 (see specifications below) full size glass or plastic roller bottles (110 to 120 mm diameter and up to 510 mm in length).Digital bottom drive roller apparatus. Digital display speed indicator readout. 24v brushless dc motor and controller. Locking speed control knob. Optional battery backup gives up to 18 hours of battery power during power Interruptions. Battery level indicator. Rotational switch for cw & ccw rotation. Optional motion alarm (factory installation only). (1 per EA )
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    $11,534.67
  13. Roller Apparatus Base & 6 Decks, 230V Modular - 35 Pos
    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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    $8,658.96
  14. Digital Roller Apparatus Base & 5 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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    $8,253.83
  15. Digital Shaker,230v W/Power Supply - No Tray
    Manufacturer: Bellco Glass Inc
    The Bellco Digital Shaker is a compact, heavy-duty variable speed shaker. It is used for the agitation of electrophoretic gels and filter assay media for staining, destaining and assay development. The Shaker accommodates a variety of vessels. It is continuously adjustable from 30 to 350 RPM. This Bellco design incorporates an orbital platform that accepts a variety of optional trays. A variety of tray models are available, including three equipped with flask clamps for common sizes of flasks. Peg and Grommet style trays make changing convenient. The timer circuit permits automatic shutoff after 3-120 minutes. (1 per EA )
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    $2,923.01
  16. 1 Position Process Stirr Complete,230V-8L
    Manufacturer: Bellco Glass Inc
    Bell-ennium Magnetic Stirrers are designed for both cell cultures in spinner flasks as well as for general laboratory procedures requiring the use of magnetic stirring equipment. Bell-ennium stirrers offer the laboratory researcher a wide range of capabilities and the latest innovations in stirring technology. Bell-ennium stirrers feature brushless maintenance free DC motors with drive assemblies designed for quiet operation. Stainless steel covers are stamped to show the vessel positions for accurate placement and optimum performance. The Bell-ennium single position low profile chassis measure 10 x 11 x 3 3/8” and are designed to fit side-by-side in Bellco incubators. Units are powered by standard 24V in-line power supplies and are CE compliant. (1 per EA )
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    $2,852.84
  17. 5 Position Process Stirr Complete,230v
    Manufacturer: Bellco Glass Inc
    Bell-ennium Process Magnetic Stirrers are designed for both cell cultures in spinner flasks as well as for general laboratory procedures requiring the use of magnetic stirring equipment. The Front-End models are designed to position so that one flask is positioned behind the other, minimizing the width of the stirrer for limited space work areas. Bell-ennium stirrers feature brushless maintenance free DC motors with drive assemblies designed for quiet operation. Stainless steel covers are stamped to show the vessel positions for accurate placement and optimum performance. Heavy duty magnet assemblies provide the best magnetic coupling while timing belts on all positions insure smooth even stirring of vessel contents. The low profile chassis measure 11 x 20 x 3 3/8” and are designed to fit side-by-side in Bellco incubators. The PID process controller provides RS-485 communication with your existing lab network (software not included), as well as two alarm outputs for the optional Motion Alarm. Units are powered by standard 24V in-line power supplies and are CE compliant. (1 per EA )
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    $3,690.32
  18. 5 Position Process Compact Stir Complete,115V
    Manufacturer: Bellco Glass Inc
    Bell-ennium Process Magnetic Stirrers are designed for both cell cultures in spinner flasks as well as for general laboratory procedures requiring the use of magnetic stirring equipment. The Front-End models are designed to position so that one flask is positioned behind the other, minimizing the width of the stirrer for limited space work areas. Bell-ennium stirrers feature brushless maintenance free DC motors with drive assemblies designed for quiet operation. Stainless steel covers are stamped to show the vessel positions for accurate placement and optimum performance. Heavy duty magnet assemblies provide the best magnetic coupling while timing belts on all positions insure smooth even stirring of vessel contents. The low profile chassis measure 11 x 20 x 3 3/8” and are designed to fit side-by-side in Bellco incubators. The PID process controller provides RS-485 communication with your existing lab network (software not included), as well as two alarm outputs for the optional Motion Alarm. Units are powered by standard 24V in-line power supplies and are CE compliant. (1 per EA )
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    $3,115.41
  19. Bellco Glass, Inc - Rotisserie Only,4 Position For Mini or Micro Ovens
    Manufacturer: Bellco Glass Inc
    Accepts 8 short or 4 long 35mm auto-blot tubes (1 per EA )
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    $455.72
  20. Bellco Glass, Inc - Rotisserie Only,6 Position For Micro or Mini Ovens
    Manufacturer: Bellco Glass Inc
    Accepts 12 short or 6 long 35mm auto-blot tubes (1 per EA )
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    $661.51
  21. Round Bottom Canister Complete 38x135mm
    Manufacturer: Bellco Glass Inc
    Round Bottom Glass Pipette Canister. Manufactured From Type 1, Class A Borosilicate Glass Components Will Withstand Repeated Dry Or Steam Heat Sterilization Case Qty: 6 (6 per CS )
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    $128.81
  22. Large Flange Z/Z Paddle,5L
    Manufacturer: Bellco Glass Inc
    Blades and impeller assemblies are use for cell culture. Reduces shear in delicate cell culture. Manufactured from 316l stainless steel with electropolish finish. Ra 32 finish or better inside and out. Blade dimension: 5 3/4 x 2 1/2". Shaft oal: 6 1/2". MARINE IMPELLER INCLUDES 1/2" SHAFT AND IMPELLER BLADE OMNI AND Z-Z PADDLES ARE ONE PIECE WELDED, 1/4" SHAFT (1 per EA )
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    $125.45
  23. Stainless Steel Fitting w/Cap,12mm
    Manufacturer: Bellco Glass Inc
    Probe adapters & compression fittings. Bellco compression fittings are designed using our standard 45 mm blue polypropylene open top caps and white silicone gaskets. A wide variety of fittings are available to allow pH and do monitoring via insertion of these probes into the sidearms of vessels. Bellco probe adapters are designed to allow introduction of threaded probes into vessels through 200 mm stainless steel headplate or a 45 mm vertical sidearm. Probe OD: 12mm Stainless steel fitting w/ cap 12mm (1 per EA )
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    $175.37
  24. Flat Bottom Adjustable Hanging Bar Spin, 500mL No Ctr Cap
    Manufacturer: Bellco Glass Inc
    Adjustable Hanging Bar Spinner Flask without Bottom Dimple PTFE impeller assembly rides on glass bearing for friction free operation. 25 & 50mL have black phenolic rubberlined center and sidearm caps. 100mL-300mL have polypropylene caps, silicone gasket and pouring rings accumulation of microcarrier beads under impeller. 500mL. Center cap: 100mm, side arm 45mm. Dimensions: 110 OD x 185 OAH (1 per EA )
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    $197.58
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