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. Digital Roller Apparatus Base & 7 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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    $10,105.81
  2. Sci/ERA 9 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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    $14,845.91
  3. Sci/ERA 9 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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    $15,175.17
  4. United Scientific™ Standard Organic Chemistry Glassware Kit, 9 Pieces
    Manufacturer: United Scientific Supplies
    Organic Chemistry Glassware sets are available in a standard set of 9 and a deluxe set of 16 pieces. The Standard set is designed to cover essential requirements for organic chemistry and is suitable for preparations up to 30g. All glassware is jointed. (1 per EA)
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    was $171.00 Special Price $144.52
  5. Tube,Thistle,300X61/2mm
    Manufacturer: Kimble Chase
    Funnels Long Stem Thistle Top 12 Length of Stem (mm) 300. Approx. O.D. of Stem (mm) 6.5 KIMAX tube with a sturdy extra long stem. Shape of the funnel is cylindrical (similar to the thistle top style). (1 per EA)
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    was $43.84 Special Price $41.95
  6. Petri Dish, outer dia 9cm, Soda glass
    Manufacturer: Eisco Scientific LLC
    Petri Dish, outer dia 9cm, Soda glass (1 per EA )
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    was $5.78 Special Price $4.70
  7. Trough Pneumatic, dia 30cm, height 15cm, Soda glass
    Manufacturer: Eisco Scientific LLC
    Trough Pneumatic, dia 30cm, height 15cm, Soda glass (1 per EA )
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    was $80.16 Special Price $65.21
  8. Adapter Cone/Screw thread - Straight, Cone 19/26
    Manufacturer: Eisco Scientific LLC
    Adapter Cone/Screw thread - Straight, Cone 19/26 (1 per EA )
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    was $8.95 Special Price $7.28
  9. Stainless Steel Vertical Disk Impeller 10L For 10L Bioreactor Systems
    Manufacturer: Bellco Glass Inc
    SST Vertical Disk Impeller for 10l bioreactor systems - English threads Material: 316l SST with electropolish finish 3 1/4" od (1 per EA )
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    $535.08
  10. Stainless Steel Probe CapSeal, 1L W/PTFE Internal Overhead Bearing , 4 Ports
    Manufacturer: Bellco Glass Inc
    The stainless steel 100mm IOB probe cap seal is manufactured from 316L stainless steel and has a red-silicone sealing gasket with a 100mm blue polypropylene screw cap. The stainless steel probe cap seal has four accessory ports surrounding a centrally located internal impeller assembly. Two of these ports have a white silicone plug inside a threaded cap that acts as a compression fitting for probe insertion. The other ports accept accessories using the same silicone compression plugs and threaded caps. These compression plugs make it easy to adjust the insertion length of probes or straight tubes depending upon the working volume of the bioreactor flask. The stainless steel cap seal, stainless steel PTFE impeller and all fittings are steam autoclavable. (1 per EA )
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    $1,957.74
  11. Overhead Drive PTFE Impeller Assembly 8L
    Manufacturer: Bellco Glass Inc
    Ideal use for over head drive vessels. Description: 8L OHD Impeller Assembly Consists of Paddle, Plug, Paddle Holder, and Drive Shaft Paddle [A523-214]: PTFE material, 171.5mm wide x 76.2mm tall x 1.6mm thick Plug [A542-49]: PTFE, 9.5mm OD x 19.1mm long (approx.) Paddle Holder [A542-50]: White PTFE, 279.4mm long x 19.1mm OD Drive Shaft [A542-46]: 316L SST, 190.5mm long x 6.4mm OD (approx.) (1 per EA )
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    $269.79
  12. Beaker-Heavy Wall,2L
    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: 2L Dimensions: 134 x 190mm Case Quantity: 3 (3 per CS )
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    $285.75
  13. Beads,Solid Glass,Packing,4mm
    Manufacturer: Kimble Chase
    KIMAX Glass BeadsBorosilicate glass beads are highly resistant to liquid and vapor attacks hot or cold. May be used for mixing beads boiling stones and packing for distillation columns. 5500 x 4mm diameter. (1 per EA )
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    was $427.36 Special Price $407.10
  14. Anaerobic Media Bottle, 50mL
    Manufacturer: Bellco Glass Inc
    Type 1 Class A Borosilicate Glass that are designed for maintaining anaerobic conditions. Useful for studies involving methane-producing bacteria, cell culture, drug discovery, and research and development. Specifications: Size: 50mL Dimensions: 46mm X 88mm Neck OD: 19.7-20.2mm 13.3-13.6mm Supply With: 20mm Septum Stopper & Aluminum Seal Case Quantity: 12 Accessories: 2048-11800 Septum Stopper 2048-11020 Aluminum Seal 2048-10020 Seal Crimper (12 per CS )
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    $1,070.87
  15. Screw Cap Leighton Tube 19X105mm
    Manufacturer: Bellco Glass Inc
    Manufactured from type 1 class a Borosilicate glass. Includes long skirted screw cap with nontoxic white rubber liner. Extra long working area yet short overall length for convenient handling. The short neck provides easy entry and removal of cover slips. (36 per CS )
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    $527.08
  16. 3/4 Septum Port w/Cap Bioreactor
    Manufacturer: Bellco Glass Inc
    3/4" septum port w/cap and stopper. 316 l stainless steel Ra 32 finish (1 per EA )
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    $362.34
  17. Water Jacketed VSA Vessel 8L- 4 Side Arms 4 Vertical Sidearms
    Manufacturer: Bellco Glass Inc
    Ideal for use with water baths for precise temperature control. Supplied with 100mm center cap, sidearms cap, and pouring ring. Size: 8l Material: type 1 class a Borosilicate glass Dimensions of Water Jacketed: 300mm od x 440 oah Dimension of inner flask: 238mm OD x 420mm OAH. Dimensions: width including two hose barbs 396mm. 2 - #4 hose connectors. 100mm screw thread H.W. neck. 4 - 45mm screw thread vertical side arms. Graduations:1500mL to 8000mL every 500mL (1 per EA )
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    $3,678.11
  18. Thermowell Assembly 15L For Vertical Overhead Drive Vessels
    Manufacturer: Bellco Glass Inc
    Thermowell assembly is manufactured from 316l stainless steel with 32ra finish or better. It can be used with rtd temperature sensor. Includes polypropylene screw cap and silicone gasket. There are also tubes for addition media and vent. Thermowell assemblies attach to the sidearms with a screw cap assembly. 3-PORT THERMOWELL ASSY - 45mm. FOR 1964 VERTICAL OHD VESSELS. WELDED - ELECTROPOLISH FINISH. ALL MATERIAL IS: 316L SST. CONSIST OF: 1 - SST 5/16"OD X .225"ID X 1.0" above x 15 31/32" insertion X 17 3/32" LONG 1.0" above x 15 31/32" insertion 1- SST VENT TUBE; .250"OD X .152" ID) SUPPLY WITH CAP ( A523-599) & A523-600 (LINER) (1 per EA )
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    $591.49
  19. Adapter Receiver Bend, socket 24/29, Cone 29/32
    Manufacturer: Eisco Scientific LLC
    Adapter Receiver Bend, socket 24/29, Cone 29/32 (1 per EA )
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    was $23.67 Special Price $14.91
  20. Stopper-Penny Head, borosilicate glass, Solid, Cone 14/23
    Manufacturer: Eisco Scientific LLC
    Stopper-Penny Head, borosilicate glass, Solid, Cone 14/23 (1 per EA )
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    was $2.85 Special Price $2.32
  21. Test Tube, Rimless 7ml 100 x 12mm, PK/48
    Manufacturer: Eisco Scientific LLC
    Test Tube, Rimless 7ml 100 x 12mm, PK/48 (48 per PK )
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    was $24.55 Special Price $19.96
  22. Adapter Receiver Bend, socket 14/23, Cone 14/23
    Manufacturer: Eisco Scientific LLC
    Adapter Receiver Bend, socket 14/23, Cone 14/23 (1 per EA )
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    was $13.69 Special Price $11.14
  23. United Scientific® Stopper, Glass, Solid, #19
    Manufacturer: United Scientific Supplies
    Solid penny head glass stoppers have an interchangeable ground joint. For use with ground jointed glassware such as flasks and separatory funnels. (1 per EA )
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    was $11.65 Special Price $8.14
  24. Bell-Stir 1 Position, 115V - 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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    $925.37
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