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.
Related categories: Pipets, Reusable · Volumetric Pipets · Accessories · Stirring Rods · Watch Glasses · NMR and Melting Point Tubes · Glass Tubing · All Glassware
Top brands: Bellco Glass Inc · Eisco Scientific LLC · Kimble Chase
Popular Reusable Glassware:
Reusable Glassware
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Soxhlet Extraction Apparatus, cap. 60ml, Flask size 150ml.SKU: CH0888A-EAManufacturer: Eisco Scientific LLCSoxhlet Extraction Apparatus, cap. 60ml, Flask size 150ml. (1 per EA )Learn Morewas $105.07 Special Price $85.46 -
Centrifuge Tube 15ml, graduated with glass stopper, boro. glassSKU: CH0269D-EAManufacturer: Eisco Scientific LLCCentrifuge Tube 15ml, graduated with glass stopper, boro. glass (1 per EA )Learn Morewas $5.69 Special Price $4.63 -
Glass Impeller Shaft, 1LSKU: 1969-71000-EAManufacturer: Bellco Glass IncType 1 Class A Borosilicate glass 7mm od x 230mm long for mc impeller assemblies Glass Impeller Shaft, 1L (1 per EA )Learn More$8.65 -
Gas Jar Cylindrical, height 15cm, dia 5cm, Soda glass, without lid and heavy footSKU: CH0494A-EAManufacturer: Eisco Scientific LLCGas Jar Cylindrical, height 15cm, dia 5cm, Soda glass, without lid and heavy foot (1 per EA )Learn Morewas $7.40 Special Price $6.02 -
Simple Distillation ApparatusSKU: CH0886-EAManufacturer: Eisco Scientific LLCSimple Distillation Apparatus (1 per EA )Learn Morewas $81.75 Special Price $66.49 -
Test Tube, light wall rimless, 20ml, 150x16mm, Borosilicate glass, PK/48SKU: CH0718OPK48-PKManufacturer: Eisco Scientific LLCTest Tube, light wall rimless, 20ml, 150x16mm, Borosilicate glass, PK/48 (48 per PK )Learn Morewas $49.55 Special Price $40.30 -
500ml Crystallizing Dishes Without Spout, Boro. Glass, Flat BottomSKU: CH0067G-EAManufacturer: Eisco Scientific LLC500ml Crystallizing Dishes Without Spout, Boro. Glass, Flat Bottom (1 per EA )Learn Morewas $24.64 Special Price $20.03 -
Test Tube, light wall, cap. 25ml, 150x18mm, boro. glass Case of 100SKU: CH0718F-CSManufacturer: Eisco Scientific LLCTest Tube, light wall, cap. 25ml, 150x18mm, boro. glass Case of 100 (100 per CS)Learn Morewas $76.31 Special Price $62.07 -
Adapter Expansion, Socket size 34/35, Cone size 19/26SKU: CH0820F-EAManufacturer: Eisco Scientific LLCAdapter Expansion, Socket size 34/35, Cone size 19/26 (1 per EA )Learn Morewas $15.25 Special Price $12.41 -
Test Tube, cap. 25ml, 150x18mm, plain with bakelite screw cap & rubber linerSKU: CH0724D-EAManufacturer: Eisco Scientific LLCTest Tube, cap. 25ml, 150x18mm, plain with bakelite screw cap & rubber liner (1 per EA )Learn Morewas $2.25 Special Price $1.84 -
United Scientific® Reducing Adapter, Socket 24/40, Cone 29/42SKU: UNRDSOK2429-EAManufacturer: United Scientific SuppliesUnited Scientific® Reducing Adapter, Socket 24/40, Cone 29/42 (1 per EA )Learn Morewas $16.45 Special Price $11.51 -
100 ml Flat Bottom Basin Evaporating Borosilicate Glass 80 mm ODSKU: CH0068A-EAManufacturer: Eisco Scientific LLC100 ml Flat Bottom Basin Evaporating Borosilicate Glass 80 mm OD (1 per EA )Learn Morewas $19.15 Special Price $15.57 -
Dish Crystallizing, outer dia 115mm, Height 65mm borosilicate glass, flat bottom with spout 500mlSKU: CH0066I-EAManufacturer: Eisco Scientific LLCDish Crystallizing, outer dia 115mm, Height 65mm borosilicate glass, flat bottom with spout 500ml (1 per EA )Learn Morewas $34.96 Special Price $28.43 -
Centrifuge Tube 50ml, Conical, height 125mm, OD 28mm, boro. glass, graduatedSKU: CH0268EGR-EAManufacturer: Eisco Scientific LLCCentrifuge Tube 50ml, Conical, height 125mm, OD 28mm, boro. glass, graduated (1 per EA )Learn Morewas $6.55 Special Price $5.32 -
United Scientific® Pennyhead Stopper, Solid Glass, 24/40SKU: GLSTP2440-EAManufacturer: United Scientific SuppliesSolid glass stoppers with closed bottom and taper ground inner joint. These stoppers are used to close glassware items such as flasks, cylinders, funnels. (1 per EA )Learn Morewas $19.15 Special Price $13.40 -
United Scientific™ Spot Plate, Porcelain, 12 WellsSKU: JSC012-EAManufacturer: United Scientific SuppliesColor-reaction or spot plates, glazed except for bottom surface. (1 per EA)Learn Morewas $11.25 Special Price $7.88 - United Scientific™ Spot Plate, Porcelain, 6 WellsSKU: JSC006-EAManufacturer: United Scientific SuppliesColor-reaction or spot plates, glazed except for bottom surface. (1 per EA)Learn Morewas $9.45 Special Price $6.63
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Stopper-Penny Head, borosilicate glass, Solid, Cone 29/32SKU: CH0870E-EAManufacturer: Eisco Scientific LLCStopper-Penny Head, borosilicate glass, Solid, Cone 29/32 (1 per EA )Learn Morewas $8.24 Special Price $6.70 -
Adapter Reduction, Socket size 24/29, Cone size 34/35SKU: CH0821G-EAManufacturer: Eisco Scientific LLCAdapter Reduction, Socket size 24/29, Cone size 34/35 (1 per EA )Learn Morewas $19.55 Special Price $15.90 -
Pycnometer, Calibrated, 10mlSKU: BT1102CL-EAManufacturer: Eisco Scientific LLCPycnometer, Calibrated, 10ml (1 per EA )Learn Morewas $19.47 Special Price $15.83 -
Stopper-Penny Head, borosilicate glass, Solid, Cone 24/29SKU: CH0870D-EAManufacturer: Eisco Scientific LLCStopper-Penny Head, borosilicate glass, Solid, Cone 24/29 (1 per EA )Learn Morewas $6.27 Special Price $5.10 -
Tube,Dct,Flat,No Cap,16X125mm,15-415SKU: 73760-16125-CSManufacturer: Kimble ChaseTubes Culture Disposable Screw-Cap Flat Bottom Approx. O.D. (mm) 16. Approx. Length (mm) 125. Approx. Overflow Capacity (mL) 16. GPI Thread Finish 15-415 Tubes are a suitable for tissue culture work and general bacteriological use. With a flat bottom and without a marking area. (1000 per CS )Learn Morewas $849.10 Special Price $833.40 -
Centrifuge Tube 15ml, Conical, height 120mm, OD 17mm, boro. glass, graduatedSKU: CH0268CGR-EAManufacturer: Eisco Scientific LLCCentrifuge Tube 15ml, Conical, height 120mm, OD 17mm, boro. glass, graduated (1 per EA )Learn Morewas $2.55 Special Price $2.07 -
Petri Dish, outer dia 150 x 20mm height, borosilicate glassSKU: CH0370D-EAManufacturer: Eisco Scientific LLCPetri Dish, outer dia 150 x 20mm height, borosilicate glass (1 per EA )Learn Morewas $26.69 Special Price $21.71
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