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High-speed centrifuge tubes are essential for separating components in biological and chemical samples. Their integrity under extreme rotational forces ensures accurate results and sample preservation. Selecting the appropriate tube type is crucial for reliable laboratory operations and reproducible experiments.
DURABLE MATERIAL: Our 50ml self standing falcon tubes are made of the high quality and high purity polypropylene material. These containers may be used as autoclave test tubes and have a max RCF of 9,000 x g.
EASY MARKING: 50 ml Plastic skirted centrifuge tubes also have designated white area for easy marking and identification. This little mark tube feature is very convenient for labelings purposes.
PRECISE GRADUATION: 50 ml centrifuge tubes also have graduation printed along side the test tube. This graduation is precisely accurate and easy to read. Measurements are convenient for science applications.
LEAK-PROOF LAB TEST TUBES: 50ml Centrifuge Test Tubes come with a polyethylene cap, which seals securely and does not allow leakage to take place. These containers can be placed on racks and used over and over again, with peace of mind that they are...
STERILIZED: These big plastic tubes with caps are EO sterilized, which is handy for any use. They are safe to be used in a variety of applications, including solid, liquid, powder, seeds, pills, and granular objects.
TUBE MATERIAL: These 15mL centrifuge tubes are made in high purity PP Material. They are designed to have longer length screw caps with sealing rings to prevent leakage. Pack of 50.
EASY TO DISTINGUISH: Plastic centrifuge tubes also include a convenient white writing patch for easy marking and identification. The patches are nice for labeling. And the test clear conical tubes with screw caps.
EASY TO READ: Black graduations of plastic centrifuge tubes are accurate to ±2%, 1mL increments (total 15mL). So these lab centrifuge tubes are better for science experiments.
AUTOCLAVABLE AND FREEZABLE: Max. RCF: 9,400 for conical bottom tubes; it is autoclavable at 121℃/249.8℉ and freezable to -80℃/-176℉. Successfully passed 95 KPa pressure test.
WIDE APPLICATIONS: Our plastic centrifuge tubes are general used in fields of biochemistry and molecular biology，such as separation and preparation of various biological samples.
Note: This product does not capable of sterilization. It has been rendered sterile through terminal sterilization by ethylene oxide (EO) as part of its manufacturing process.
DURABLE MATERIAL: Our 15ml falcon tubes are made of the high quality and high purity polypropylene material. These containers may be used as autoclave test tubes and have a max RCF of 12,000 x g
EASY MARKING: 15 ml Plastic centrifuge tubes also have designated white area for easy marking and identification. This little mark tube feature is very convenient for labelings purposes.
PRECISE GRADUATION: 15 ml centrifuge tubes also have graduation printed along side the test tube. This graduation is precisely accurate and easy to read. Measurements are convenient for science applications.
LEAK-PROOF LAB TEST TUBES: 15ml Centrifuge Test Tubes come with a polyethylene cap, which seals securely and does not allow leakage to take place. These containers can be placed on racks and used over and over again, with peace of mind that they are...
STERILIZED: These big plastic tubes with caps are EO sterilized, which is handy for any use. They are safe to be used in a variety of applications, including solid, liquid, powder, seeds, pills, and granular objects.
Last update on 2026-08-30 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best High-Speed Centrifuge Lab Tubes
Material Composition
Polypropylene (PP): Offers excellent chemical resistance and clarity, making it suitable for most general laboratory applications. It's also autoclavable and has good mechanical strength.
Polycarbonate (PC): Known for its high impact strength and transparency, making it ideal for applications requiring visual monitoring. It is also autoclavable but may have lower chemical resistance than polypropylene.
Specialty Plastics: For highly corrosive substances or extreme temperature requirements, consider tubes made from materials like PTFE or PEEK, though these are less common.
Capacity and Dimensions
Volume: Tubes come in various volumes, from small 0.5 mL microcentrifuge tubes to larger 50 mL or 250 mL tubes. Choose a capacity that matches your typical sample size and experiment needs.
Format: Standard conical tubes are common, but consider skirted or self-standing options for easier handling and stability during processing.
Sealing and Closure
Snap Caps: Provide a simple, secure seal suitable for most applications. Ensure the cap material is compatible with your samples.
Screw Caps: Offer a more robust seal, ideal for volatile samples or when extended storage is required. Some screw caps include O-rings for enhanced leak prevention.
Frequently Asked Questions
What is the difference between conical and round-bottom centrifuge tubes?
Conical tubes have a pointed bottom, which facilitates pellet collection at the bottom after centrifugation. Round-bottom tubes have a rounded base, which can distribute stress more evenly during high-speed spinning.
Are these tubes safe for storing biological samples?
Most high-speed centrifuge tubes made from polypropylene or polycarbonate are safe for storing biological samples. Always check the manufacturer's specifications for chemical compatibility and temperature limits to ensure sample integrity.
Can I autoclave these centrifuge tubes?
Many polypropylene and polycarbonate tubes are autoclavable, meaning they can be sterilized using high-pressure steam. However, always verify the product's specifications before autoclaving, as some materials or designs may not withstand the process.
What G-force rating should I look for?
The appropriate G-force rating depends on your specific centrifugation protocol. Ensure the tube's maximum RCF (Relative Centrifugal Force) rating exceeds the requirements of your centrifuge to prevent tube failure and sample loss.
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