Round Bottom Tubes

Round Bottom Tubes are integral to a wide array of laboratory functions, designed specifically for the efficient heating and mixing of liquids.
This characteristic shape ensures liquids are heated evenly, which is crucial for processes like chemical synthesis and enhancing solution concentrations without sediment issues. Round Bottom Test Tubes are particularly valuable for experiments requiring precise temperature control, while Round Bottom Lab Tubes are versatile for sample preservation and facilitating effective centrifugation.
Their construction is tailored to withstand varied experimental conditions, offering exceptional durability and heat resistance. This makes them indispensable tools in laboratories, supporting consistent and reliable results in research and testing across numerous scientific fields.

Round Bottom Tubes

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  • Oakridge Style Centrifuge Tubes

    These Oakridge Style Centrifuge Tubes from Globe Scientific are the economic choice for high speed refrigerated or non-refrigerated centrifugation. Molded from durable, chemical resistant polypropylene, the tubes have round bottoms and consistent wall thicknesses for centrifugation at up to 50,000g...

  • Culture Tubes with Screw Caps

    DWK Life Sciences (Wheaton)

    These standard round-bottom culture tubes are manufactured from 51 expansion borosilicate glass that conforms to ASTM Type I, Class B and USP Type I requirements. The tubes can be reused many times. The caps have a white 14B styrene-butadiene rubber liner or a PTFE faced 14B styrene-butadiene rubber...

  • PYREX® 50mL Round Bottom Centrifuge Tube with Standard Taper Pennyhead Stopper

    These 50mL PYREX® round bottom, nongraduated centrifuge tubes have a No. 13 Standard Taper solid glass pennyhead stopper. Rockefeller Institute of Medical Research type.

  • Tubes with Round Base, Push Cap

    Tubes with round base, push cap.

  • Autoclavable Ungraduated Round Bottom Centrifuge Tubes

    2602F40 is translucent Usable to 50,000 x g in refrigerated or non-refrigerated centrifuges *2610D22 and D30 with lip

  • High-Speed Round Bottom PPCO Centrifuge Tubes

    Improve rotor fit and performance using Thermo Scientific™ Nalgene™ High-Speed Round-Bottom PPCO Centrifuge Tubes, featuring uniform wall thickness and diameter. Tubes have excellent chemical resistance. Features Round bottoms that fit high-speed rotors in refrigerated or nonrefrigerated...

  • Borosilicate N-51a Glass Tissue Culture Tubes

    Suitable for tissue culture and general bacteriological use Provided with marking spot which also serves for orientation Caps are not included with tubes and must be purchased separately Packaged in styrofoam trays 9215D32 tube takes size 13-415 cap and is sold in cases containing 2 shelf packages...

  • 38mL High-Speed Round Bottom PPCO Centrifuge Tubes

    Thermo Scientific™ Nalgene High-Speed Round-Bottom Polypropylene Copolymer Tubes uniform wall thickness and diameter provides improved rotor fit and performance. Tubes have excellent chemical resistance. Designed with round bottoms to fit high speed rotors in refrigerated or non-refrigerated...

  • False Bottom Tubes

    These False Bottom Tubes ensure accurate and efficient sample separation during the centrifugation process. They are designed with a raised bottom to facilitate superior segregation of specimens. The tubes are highly durable, resisting breakage and leakage, and are ideal for use in various...

  • PYREX® Conical Centrifuge Tubes

    Graduated Capacity 50 mL Tube has white enamel graduations upward from tip to 10 mL in 0.5 mL divisions and from 10 to 50 mL in 1 mL divisions Tube length is 135 mm, o.d. 28 mm Round bottom tube with pour out spout for easy decanting Wall thickness approximately 1.5 mm; length 116 mm; o.d. 29 mm...

  • Culture, Screw Thread, Borosilicate Glass Tubes

    Tubes are suitable for tissue culture work and general bacteriological use. Tubes are made from KIMAX-51 borosilicate glass in compliance with ASTM Specification E438, Type I, Class A or B glass requirements. Each tube has a chevron marking area. Trays are shrink wrapped in plastic film in modular...

  • PYREX® Round Bottom Centrifuge Tubes

    2619H22 Capacity 50 mL Heavy-duty tube useful for handling of sputum specimens and clinical and microbiological tests Includes phenolic screw cap which has glued-in, white rubber liner 29 x 125 mm. For replacement cap, see Thomas number 2388B73. 2620L52 Heavy wall construction, short conical bottom...

  • Disposable, Screw Cap, Borosilicate Glass Tissue Culture Tubes

    Round bottom, with threaded neck; without marking spot Size 100 x 13 mm takes size 13-415 cap; other sizes take size 15-415 cap Cap is not supplied and must be purchased separately; see 9215F70 series Cases of 1,000 contain 4 packages of 250. Listings indicate length x o.d. in mm.

  • PYREX® Disposable Glass Culture Tubes with Marking Spot

    Identical to 9215F20 series, but with marking spot Cap not included Disposable Pyrex® culture tubes have a round bottom and come with a white marking spot. These tubes are designed for both tissue culture and general bacteriological work. These tubes are made from borosilicate glass, sold...

  • PYREX® 20x125mm Disposable Round Bottom Threaded Culture Tubes, Without Marking Spot or Caps, Bulk Pack

    These disposable 20x125mm PYREX® culture tubes have a round bottom, GPI 18-415 threads and come without a marking spot. They are designed for both tissue culture and general bacteriological work. These tubes hold approximately 24 mL, are made from borosilicate glass, bulk-packed and are sold...

  • Graduated Test Tubes with Beaded Rim

    DWK Life Sciences (Kimble)

    Excellent choice for general laboratory use Plain top, beaded rim Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

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