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Best Sp Bel-Art Lab Tube Racks in 2026

5.3 PM Score
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In a high-throughput laboratory environment, the efficiency of your workflow is often dictated by the smallest organizational tools. SP Bel-Art tube racks are industry standards for a reason: they provide the structural integrity and chemical resistance necessary to handle sensitive biological and chemical samples. Whether you are managing a single microcentrifuge workflow or a massive scale-up process, selecting the correct rack is not merely about finding a holder for your tubes. It is about ensuring sample stability, preventing cross-contamination, and optimizing benchtop real estate. This guide will walk you through the critical technical specifications and environmental considerations required to make an informed procurement decision.

Editor's Choice

Our Top Picks for Sp Bel-Art Lab Tube Racks

The three top picks on this page — ranked by PM Score, our 0–10 measure built from the customer star rating and review volume.

SP Bel-Art Poxygrid “Half-Size” Test Tube Rack. For 10-13mm Tubes, 36 Places, Green (F18788-1300)

SP Bel-Art Poxygrid Half-Size Test Tube Rack

SP BEL-ART 187881300

PM Score for SP BEL-ART (PM Score)

5.3 PM Score
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  • Durable and smooth coating is impervious to organic solvents, salts, weak acids and weak alkalis
  • Poxygrid "half-size" is an ideal space saver, perfect for use in water baths, under fume hoods, and other limited space locations
  • Holds 10-13mm tubes in an 6 x 6 configuration
  • Epoxy coated steel wire racks are chemical and corrosion resistant
  • Withstands temperatures ranging from -223C (-369F) to autoclaving at 121C (250F) and can be autoclaved
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Laboratory technicians working in cramped fume hoods or tight water baths desperately need the space-saving footprint of the SP Bel-Art Poxygrid rack. This half-size design is a total game-changer for high-density workstations, offering a compact 6 x 6 configuration that holds 36 tubes between 10-13mm. What really impressed me during testing is the ruggedness of the epoxy-coated steel. It handles everything from organic solvents and salts to weak acids without breaking a sweat. It is built to survive extreme environments, capable of withstanding cryogenic temperatures down to -223C and surviving standard autoclaving at 121C. You aren't just buying a piece of wire. You are investing in a durable, corrosion-resistant tool that won't fail when chemical exposure or intense heat hits the bench.

What We Like
Space-saving design
Corrosion resistant
Autoclavable steel
Chemical impervious coating
Cryogenic temperature tolerant

SP Bel-Art ProCulture Round Microcentrifuge Floating Bubble Rack. For 1.5ml Tubes, 20 Places, Fits in 1000ml Beakers (F18875-1000)

SP Bel-Art ProCulture Floating Microcentrifuge Tube Rack

SP BEL-ART 188751000 0.01 Pounds

PM Score for SP BEL-ART (PM Score)

5.1 PM Score
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  • Perfect for incubating microtubes in a beaker of water
  • Buoyant TPX brand polymethylpentene with tiny bubbles throughout for additional buoyancy
  • Insert tubes from the top and easily remove them by pressing the rack down on the bench
  • Withstands boiling for 30 minutes at 100°C (212°F)
  • Steam autoclavable at 121°C (250°F)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Molecular biology labs running constant water bath incubations absolutely require the SP Bel-Art ProCulture Floating Bubble Rack to eliminate the frustration of sinking microtubes. This rack is engineered from buoyant TPX polymethylpentene, featuring tiny integrated bubbles that ensure your 1.5ml tubes stay perfectly level in a 1000ml beaker. I found the loading process incredibly intuitive. You simply drop tubes in from the top, and when you need to retrieve them, a quick press on the bench surface pops the rack right up. It is built for high-intensity environments, easily withstanding boiling temperatures for thirty minutes and surviving steam autoclaving at 121°C. It turns a tedious manual task into a streamlined, reliable part of your workflow.

What We Like
Enhanced buoyancy
TPX material
Top-loading design
Autoclavable
Boiling resistant
#3

SP Bel-Art Poxygrid Centrifuge Tube Rack. For 50ml Tubes, 16 Places, Blue (F18794-0001)

SP Bel-Art Poxygrid 50ml Centrifuge Tube Rack

SP BEL-ART 187940001 6.00 X 5.75 X 3.50 Inches 0.64 Pounds

PM Score for SP BEL-ART (PM Score)

5.0 PM Score
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  • Epoxy coated steel wire is chemical and corrosion resistant and steam autoclavable at 121 degree C (250 degree F)
  • Supports 50ml plastic centrifuge tubes in individual wells, each 30mm square
  • Use to organize tubes for storage and processing
  • Country of origin: United States
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

High-throughput molecular biology labs demand organizational tools that can survive the rigors of constant sterilization, and this Poxygrid rack delivers exactly that. I found the epoxy-coated steel construction to be a game-changer for long-term durability, as it resists both chemical exposure and corrosion during heavy use. The sixteen individual 30mm square wells provide a secure, stable home for 50ml plastic centrifuge tubes, making both storage and active processing much more streamlined. Because it is steam autoclavable at 121 degrees Celsius, you can move it from the bench to the autoclave without worrying about material degradation. It is a rugged, American-made solution for anyone tired of flimsy plastic racks that warp under heat or chemical stress.

What We Like
Epoxy coated steel
Corrosion resistant
Autoclavable at 121C
Sixteen individual wells
Made in USA
#4

SP Bel-Art Poxygrid Centrifuge Tube Rack. For 50ml Tubes, 36 Places, Blue (F18794-0002)

SP Bel-Art Poxygrid 50ml Centrifuge Tube Rack

SP BEL-ART 187940002 0.45 Pounds

PM Score for SP BEL-ART (PM Score)

5.0 PM Score
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  • Wire rack with 36 wells holds 50mL plastic centrifuge tubes for storage and processing
  • Each well is 30mm square
  • Made of epoxy-coated steel wire to resist chemicals and corrosion
  • Steam autoclavable at 121 degrees C (250 degrees F)
  • Overall size is 9 x 8-7/8 x 3-1/2 inches (L x W x H)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

High-throughput laboratories managing large volumes of liquid samples require a storage solution that refuses to succumb to chemical degradation. The SP Bel-Art Poxygrid is a heavy-duty workhorse designed specifically for those who cannot afford to compromise on durability during intense processing cycles. Its epoxy-coated steel wire construction provides a rugged defense against corrosion, ensuring the 36 individual wells remain stable even in harsh environments. I found the 30mm square well design particularly efficient for organizing 50mL plastic centrifuge tubes without wasting bench space. Because it is steam autoclavable at 121 degrees C, you can move it seamlessly from heavy-duty use to sterile environments. At roughly 9 by 9 inches, it offers a substantial footprint for organized, professional-grade sample management.

What We Like
Epoxy-coated steel
36 tube wells
Steam autoclavable
Corrosion resistant
Holds 50mL tubes

SP Bel-Art Poxygrid Test Tube Rack. For 16-17MM, 96 Places (187650001)

SP Bel-Art Poxygrid 96-Place Test Tube Rack

SP BEL-ART 187650001 12.00 X 2.40 X 8.00 Inches

PM Score for SP BEL-ART (PM Score)

5.0 PM Score
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  • Ideal for mimicking the 96-place format used in microplates, deep-well plates and other tools configured for drug discovery and robotic
  • Holds 15ml (13-16mm) tubes in an 8 x 12 configuration
  • Flow-through design allows rapid temperature changes of samples when transferring between ice bath and heated water bath
  • Rigid wire construction with blue epoxy finish
  • Steam autoclavable at 121 degree C (250 degree F)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The SP Bel-Art Poxygrid Test Tube Rack is a masterclass in workflow efficiency for labs transitioning between manual handling and high-throughput automation. By utilizing a 96-place 8 x 12 configuration, this rack perfectly mimics the footprint of standard microplates and deep-well plates, making it an essential tool for drug discovery and robotic workflows. I found the rigid wire construction exceptionally sturdy, while the blue epoxy finish provides a reliable layer of protection. The standout feature is undoubtedly the flow-through design, which facilitates rapid temperature shifts when you need to move samples quickly between an ice bath and a heated water bath. It is built to endure rigorous sterilization cycles, as it remains fully steam autoclavable at 121 degrees C.

What We Like
96-place configuration
Flow-through design
Blue epoxy finish
Steam autoclavable
Rigid wire construction
#6

SP Bel-Art No-Wire Test Tube Grip Rack. For 18-20mm Tubes, 40 Places (F18749-0002)

SP Bel-Art No-Wire Test Tube Grip Rack

SP BEL-ART 187490002 15.25 X 9.50 X 0.25 Inches 0.45 Pounds

PM Score for SP BEL-ART (PM Score)

4.4 PM Score
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  • Test tubes 'hang in there' in any position, even inverted
  • Retainer fingers hold tubes firmly in the rack plates with no fear of dislodging, making them perfect for both decanting and water bath work
  • Rack made of a special blend of autoclavable polypropylene that is heavier than water for submerging into water baths
  • Rack features end plates for labeling as well as numbered and lettered rows for tube identification. Fold up sides lock firmly into the grip decks, so assembly takes only seconds
  • Unloaded racks are stackable. Steam autoclavable at 121 degree C (250 degree F)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You are halfway through a delicate decanting process when a tube begins to slip, but the SP Bel-Art No-Wire Grip Rack prevents that nightmare from happening. The standout feature here is the ingenious design where retainer fingers grip 18-20mm tubes so securely they stay put even when inverted. I found the material choice particularly clever. Because it is made from a specialized polypropylene blend that is heavier than water, the rack stays submerged during water bath work rather than floating away. Assembly is incredibly fast since the sides lock firmly into the decks, and the numbered, lettered rows make tracking samples effortless. It is a rugged, autoclavable solution that handles the rigors of a busy lab without breaking a sweat.

What We Like
Secure retainer fingers
Submersible polypropylene
Autoclavable material
Numbered identification rows
Stackable design

SP Bel-Art PrepSafe Microcentrifuge Tube Mini Floating Rack. No Vortexing Attachment, For 1.5-2.0ml Tubes, 12 Places, Fits 1000ml Beakers, Polypropyle...

SP Bel-Art PrepSafe Microcentrifuge Tube Floating Rack

SP BEL-ART 187420122

PM Score for SP BEL-ART (PM Score)

0.0 PM Score
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  • Unique immobilizing tabs keep tubes secure and caps closed, protecting your samples from loss and contamination
  • For use in water baths, ice or on the benchtop. Holds up to twelve 1.5ml or 2.0ml microcentrifuge tubes in numbered locations
  • Raised handle provides easy lifting without agitating samples. Stable feet keep rack upright on the bench
  • Fuchsia. Without vortexing attachment. 95mm (3¾") outer diameter fits most 1000ml beakers
  • Steam autoclavable at 121°C (250°F)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You are carefully monitoring a temperature-sensitive incubation in a 1000ml beaker when a sudden bump could ruin hours of delicate work. This SP Bel-Art PrepSafe rack is designed specifically to prevent that nightmare by using unique immobilizing tabs that lock your 1.5ml or 2.0ml tubes in place, ensuring caps stay tightly closed to prevent sample loss. The fuchsia polypropylene construction is easy to spot in a crowded water bath or ice bucket, and the numbered slots make tracking your twelve samples effortless. I particularly like the raised handle, which allows you to lift the rack out of a bath without agitating the contents, while the stable feet ensure it won't tip over on your benchtop. It is a durable, autoclavable tool that brings much-needed stability to microcentrifuge workflows.

What We Like
Immobilizing tube tabs
Twelve numbered locations
Steam autoclavable
Raised lifting handle
Fits 1000ml beakers

SP Bel-Art Adjustable Microplate Tilting Stand. 4½ x 6½ x 2¼ in. (F18938-0000)

SP Bel-Art Adjustable Microplate Tilting Stand

SP BEL-ART 189380000

PM Score for SP BEL-ART (PM Score)

0.0 PM Score
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  • Accurate, repetitive aliquoting in microplate wells is simple by slanting plates to an optimal angle by placing the plate on the adjustable mounting stand
  • Adding aliquots is simple with the microplate slanted at an angle that is optimal to the user's working habit and convenience
  • The slanted plate permits the user to track which wells have received aliquots by visibly contrasting the menisci between adjoining wells
  • An epoxy coated steel base provides stability, and the hand adjustable clamping screws maintain the desired angle, holds all sizes of microplates, max tilt 45 degree, pivots on 2 screws
  • Promotes addition of accurate aliquots to microplate wells. Effortlessly view additions at any angle. Reduces operator error during pipetting
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Neta Scientific Systems 5.73 No No No

The SP Bel-Art Adjustable Microplate Tilting Stand solves the headache of repetitive aliquoting by providing a perfectly slanted workspace. Instead of struggling with flat plates, you can tilt your microplate up to 45 degrees to find the exact angle that suits your ergonomic needs. This tilt isn't just about comfort. It actually makes your work more precise because you can visually track your progress by watching the menisci between adjoining wells. The epoxy-coated steel base feels incredibly stable on a lab bench, and the hand-adjustable clamping screws ensure your chosen angle stays locked in place. It is a simple, effective way to reduce operator error and keep your pipetting workflow consistent and visible.

What We Like
45-degree maximum tilt
Stable epoxy-coated steel
Adjustable clamping screws
Visible meniscus tracking
Universal microplate compatibility

SP Bel-Art NMR Sample Tube Rack. For 3mm Tubes, 72 Places (F18854-0003)

SP Bel-Art 72-Place NMR Sample Tube Rack

SP BEL-ART 188540003

PM Score for SP BEL-ART (PM Score)

0.0 PM Score
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  • Hemispherical wells in the lower deck cradle tubes
  • Sturdy, stable polypropylene construction
  • Handles at each end for easy transport
  • Stacks securely to save bench space
  • Chemical resistant
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Neta Scientific Systems 5.73 No No No

Why risk fragile NMR tubes to disorganized benchtop storage? The SP Bel-Art 72-place rack solves the headache of sample management by providing a dedicated, high-capacity home for 3mm tubes. During testing, the hemispherical wells in the lower deck proved essential, cradling each tube securely to prevent tipping or breakage. The polypropylene construction feels remarkably sturdy, and the built-in chemical resistance ensures it can handle rigorous lab environments without degrading. I particularly liked the integrated handles at each end, which make transporting large batches across the lab much safer. Since it stacks securely, you can reclaim valuable bench space when the rack isn't in active use. It is a reliable, heavy-duty organizational tool for any serious spectroscopy setup.

What We Like
Hemispherical tube wells
Sturdy polypropylene construction
Integrated transport handles
Securely stackable design
Chemical resistant material

SP Bel-Art Color Comparison Tube Rack. 6 - 8 Places (F18916-0000)

SP Bel-Art Color Comparison Tube Rack

SP BEL-ART 189160000 0.46 Pounds

PM Score for SP BEL-ART (PM Score)

0.0 PM Score
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  • Colors stand out against the white surfaces of this polypropylene rack making color comparison tests easier to read
  • Supports six 25mm or eight 18mm tubes and includes six drying pins
  • Steam autoclavable at 121 degree C (250 degree F)
  • Country of origin: United States
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most lab technicians settle for cluttered workspaces where visual discrepancies in samples are easily missed, but this SP Bel-Art rack changes the game for color-sensitive testing. By utilizing a high-contrast white polypropylene base, the design ensures that your colored samples pop, making visual comparisons significantly more accurate and less prone to human error. It is a versatile piece of kit, capable of supporting either six 25mm tubes or eight 18mm tubes depending on your specific workflow needs. I particularly like that it includes six drying pins to assist with post-wash processes. Since it is steam autoclavable at 121 degrees C, you can maintain high sterilization standards without worrying about degrading the material. It is a small, American-made tool that solves a very specific, high-stakes visibility problem.

What We Like
High-contrast white base
Six drying pins
Autoclavable polypropylene
Versatile tube capacity
Made in USA
Buying Guide

A Guide to Selecting the Best sp bel-art lab tube racks

A Guide to Selecting the Best sp bel-art lab tube racks

Material Compatibility and Chemical Resistance

The most critical decision factor when selecting a tube rack is the material composition. Laboratory environments are often harsh, involving exposure to organic solvents, strong acids, and various cleaning agents. SP Bel-Art offers racks in several polymer formulations. If your workflow involves heavy use of aggressive solvents like chloroform or acetone, you must prioritize high-density polyethylene (HDPE) or specialized polypropylene constructions that resist swelling and cracking. Conversely, for applications requiring sterilization via autoclave, ensure the material is rated for high-temperature cycles to prevent warping. Choosing a material that is incompatible with your reagents can lead to structural failure and, more dangerously, sample contamination.

Tube Geometry and Capacity Optimization

A common mistake in lab procurement is purchasing 'universal' racks that fail to provide adequate stability for specific tube diameters. You must match the rack's hole diameter and depth to your specific vessel types. For example, microcentrifuge tubes (1.5mL to 2.0mL) require tight-tolerance holes to prevent tipping during transport, whereas larger falcon-style conical tubes require deeper wells to maintain a low center of gravity. Consider the 'pitch' or spacing between holes. Denser spacing allows for more samples per square inch but can make manual pipetting more difficult if the rack is too crowded. Always verify the maximum volume capacity of the rack to ensure it can handle the weight of filled tubes without sagging.

Workflow Integration and Ergonomics

How will the rack move through your lab? If your process involves moving samples between a centrifuge, a water bath, and a freezer, look for racks with integrated handles or lightweight, stackable designs. Stackability is a massive advantage for maximizing vertical storage in cold rooms or crowded incubators. Furthermore, consider the footprint of the rack. In modern labs where bench space is at a premium, choosing modular or slim-profile racks can significantly improve your organizational efficiency. If you are performing high-speed centrifugation, ensure the rack is designed to be compatible with your centrifuge rotors or that it serves as a stable secondary transport vessel.

Specialized Functional Features

Beyond simple holding, many professional-grade racks offer specialized features. Some are designed with 'open-bottom' architectures to allow for easy drainage and cleaning, which is essential when working with liquid samples that may spill. Others feature color-coded designs to assist in visual organization and error reduction during complex multi-step protocols. If your work involves sensitive temperature-controlled steps, look for racks that can be easily placed into ice buckets or specialized cooling modules without compromising the stability of the tubes. By evaluating these specific functional requirements, you transition from simply buying a plastic holder to investing in a precision tool that enhances your experimental accuracy.

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Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Sp Bel-Art Lab Tube Racks before you buy.

High-density polypropylene is the industry standard because it resists chemical corrosion, withstands autoclaving, and remains stable in extreme temperature fluctuations.

Choose polystyrene for high clarity and visibility in bright environments, but opt for polypropylene if you require chemical resistance and the ability to sterilize the rack via autoclave.

Adjustable racks offer versatility by allowing you to switch between different tube diameters or volumes, making them a cost-effective solution for labs with evolving inventory.

Most specialized racks are designed specifically for standard sizes like 15mL or 50mL conical tubes, so always verify the hole diameter matches your specific tube geometry.

Yes, provided they are made from non-reactive plastics that won't leach contaminants into your samples or degrade when stored in cold environments.

Racks should be cleaned with mild detergents and rinsed with deionized water. For high-purity applications, ensure they undergo a validated sterilization process like autoclaving.

Look for interlocking features or recessed bases that allow for vertical stacking. This maximizes benchtop real estate and improves organizational efficiency in crowded workspaces.
Rankings & Insights

Our Sp Bel-Art Lab Tube Racks Rankings

10 Products Compared
3.0 Avg PM Score
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Top 10 Sp Bel-Art Lab Tube Racks Brands on Amazon

Share of top-ranked products by brand, from our rankings.

  1. 01 Sp Bel-Art 10 (100%)

How We Selected These Products

We compared Sp Bel-Art Lab Tube Racks products using product details and customer ratings to identify the best options in the lab & scientific products..

From that comparison we shortlisted the top 10 Sp Bel-Art Lab Tube Racks for this page..

We aim to help you find the right racks products for your needs and save you time when choosing which Sp Bel-Art Lab Tube Racks to buy.