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. Test Tube, light wall, cap. 20ml, 150x16mm, boro. glass Pack 100
    Manufacturer: Eisco Scientific LLC
    Test Tube, light wall, cap. 20ml, 150x16mm, boro. glass Pack 100 (100 per PK )
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    was $90.56 Special Price $73.66
  2. Sci/ERA Base & 1 Deck, 115V Modular - 10 Position
    Manufacturer: Bellco Glass Inc
    The Bellco Sci/ERA Cell Production Roller Apparatus has been designed for production of mammalian cells, viruses and cell products. Non-modular production units come in 45 and 50 bottle positions with over 80,000 cm2 of surface area. All units feature a solid state control with heavy-duty DC motor and digital tachometer. All Position Drives are for use with plastic roller bottles to prevent slipping of the light-weight bottles. A Stand-By Drive and Alarm System provides motion and power failure alarms and has a backup drive system that automatically drives the unit should the original fail. (1 per EA )
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    $9,974.97
  3. Splash Head Vertical Pear Shape, Cone size to fit flask 19/26, to fit condenser 19/26
    Manufacturer: Eisco Scientific LLC
    Splash Head Vertical Pear Shape, Cone size to fit flask 19/26, to fit condenser 19/26 (1 per EA )
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    was $32.91 Special Price $26.76
  4. Bellco Glass, Inc -Sci/ERA 10 Deck, 230V Fixed Frame - 50 Pos
    Manufacturer: Bellco Glass Inc
    The Bellco Sci/ERA Cell Production Roller Apparatus has been designed for production of mammalian cells, viruses and cell products. Non-modular production units come in 45 and 50 bottle positions with over 80,000 cm2 of surface area. All units feature a solid state control with heavy-duty DC motor and digital tachometer. All Position Drives are for use with plastic roller bottles to prevent slipping of the light-weight bottles. A Stand-By Drive and Alarm System provides motion and power failure alarms and has a backup drive system that automatically drives the unit should the original fail. (1 per EA )
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    $14,744.75
  5. Bellco Glass, Inc -Bell-Stirr 1 Position, 230V-1L
    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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    $984.19
  6. Adapter Multiple - Two necks parallel, Socket size 19/26, Cone size 19/26
    Manufacturer: Eisco Scientific LLC
    Adapter Multiple - Two necks parallel, Socket size 19/26, Cone size 19/26 (1 per EA )
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    was $25.71 Special Price $20.92
  7. Bellco Glass, Inc -Bell-Stirr 1 Position, 100V - 1L
    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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    $787.60
  8. Micro Carrier Spnr Flask Only, 15L 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: 15l Sidearm cap: 45mm (included) (1 per EA )
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    $1,069.14
  9. Water Jacketed Flask Complete,50mL
    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): 50ml Cap Size: 51mm Sidearm Cap Size (mm): 18 (1 per EA )
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    $485.22
  10. Micro Carrier Spnr Flask Only, 36L 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. OD x oah:410mm x 535mm Flask Only (1 per EA )
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    $1,556.83
  11. Water Jacketed Flask Complete, 500mL
    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): 260ml Cap Size: 70mm Sidearm Cap Size (mm): 38 OD x OAH: 110x200mm (1 per EA )
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    $787.35
  12. TUBE, TEST, 18 X 150MM,RIMLESS PK/24
    Manufacturer: Eisco Scientific LLC
    TUBE, TEST, 18 X 150MM,RIMLESS PK/24 (24 per PK )
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    was $24.85 Special Price $20.21
  13. Adapter Receiver Delivery, Long Stem, Socket size 19/26, Length 200mm
    Manufacturer: Eisco Scientific LLC
    Adapter Receiver Delivery, Long Stem, Socket size 19/26, Length 200mm (1 per EA )
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    was $14.00 Special Price $11.39
  14. OVHD Drive Vessel 8L
    Manufacturer: Bellco Glass Inc
    Manufactured from Type 1 Class A Borosilicate glass. Includes 4 or 6 polypropylene blue screw caps 45mm and pouring rings, also 1 polypropylene blue cap 100mm for the center. Specifications: Material: Type 1 Class A Borosilicate Glass 100mm Center Neck Baffles: 0 Sidearms: 4 OD x OAH: 240 x 430mm (1 per EA )
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    $1,164.15
  15. Micro Carrier Spin Flask Complete,3L
    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: 3l Center Cap:100mm Sidearm cap: 45mm OD X OAH:165 X 280 (1 per EA )
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    $553.90
  16. Micro Carrier Spin Flask Only, 3L 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: 3l Sidearm cap: 45mm (included) (1 per EA )
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    $427.48
  17. Stainless Steel 3-Port Assembly, 36L
    Manufacturer: Bellco Glass Inc
    Size: 36l 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: 12 1/8" at bend (1 per EA )
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    $461.20
  18. Adapter Expansion, Socket size 24/29, Cone size 19/26
    Manufacturer: Eisco Scientific LLC
    Adapter Expansion, Socket size 24/29, Cone size 19/26 (1 per EA )
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    was $13.69 Special Price $11.14
  19. Overhead Drive Vessel w/6 Side Arms 15L No Baffles
    Manufacturer: Bellco Glass Inc
    Manufactured from type 1 class a Borosilicate glass. Includes 4 or 6 45mm polypropylene blue screw caps and pouring rings, also 1 100mm polypropylene blue cap for the center. Suitable for all cell culture fermentation. Specifications: Material: Type 1 Class A Borosilicate Glass 100mm Center Neck Baffles: 0 Sidearms: 6 OD x OAH: 295 x 460mm (1 per EA )
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    $1,700.71
  20. Low Profile Dual Pan Hot Shaker,230V
    Manufacturer: Bellco Glass Inc
    Bellco’s new Dual Pan 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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    $7,060.83
  21. Trypsinizing Flask,500mL
    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: 500mL OD x OAH – 100 x 183mm 3 per case (3 per CS )
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    $186.80
  22. 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
  23. 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
  24. 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
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