Best Capillary Lab Tubes of 2026

Name: Labasics Glass Capillary Tubes for TLC Spotting
Brand: Labasics

Tom Law

Last Updated: 2 Feb 2026

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Capillary lab tubes are narrow, cylindrical tubes used in medical and scientific laboratories to collect and transport small amounts of liquid samples. These tubes are made of high-quality glass or plastic materials and are available in various sizes and shapes to suit specific laboratory needs. Capillary lab tubes are widely used in research, clinical, and diagnostic laboratories to analyse blood, urine, and other body fluids. They are designed to provide accurate and reliable results, making them an essential tool for any laboratory that requires precise measurements.

At a Glance: Our Top Picks

#TOP 1

Labasics Glass Capillary Tubes for TLC Spotting

9.9

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#TOP 2

SGerste 500pcs Glass Capillary Melting Point Tubes

9.8

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#TOP 3

StonyLab 100mm Micro Glass Capillary Tubes

9.6

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Top 7 Capillary Lab Tubes

#TOP 1

Labasics Glass Capillary Tubes for TLC Spotting

Labasics
LB-GlassCapillaryTubes-1000PK

Labasics Glass Capillary Tubes, 100 mm Micro Glass Pipettes Capillary Transfer Tube with 0.3 mm ID and 0.5 mm OD for TLC Spotting, Pack of 1000

Labasics Capillary Tubes are essential for various laboratory applications, particularly in biochemical and analytical processes. With a length of 100 mm and precise diameter tolerances, these tubes allow you to accurately transfer small volumes of liquids, enhancing your experimental results. The inner diameter of 0.3 mm and outer diameter of 0.5 mm make them ideal for thin-layer chromatography (TLC) spotting, ensuring effective capillary action. Supplied in a convenient pack of 1000, you will have plenty of tubes for all your needs, saving you time and effort in sourcing replacements.

9.9

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What We Like

High precision and accuracy
Ideal for TLC applications
Convenient pack size
Versatile for various experiments

#TOP 2

SGerste 500pcs Glass Capillary Melting Point Tubes

SGerste
18071701

SGerste 500pcs 80 Glass Capillary Melting Point Tubes 0.9-1.1mm Both/One Open Ends Test Tube

The SGerste Capillary Melting Tubes are crafted from high-quality glass, ensuring durability and reliability in your experiments. Measuring either 80mm or 200mm in length, these tubes provide versatility for various applications. With a cube diameter of 0.9-1.1mm, they are perfect for precise melting point determination. The option of both open ends or one open end allows for easy filling and emptying, making your lab work more efficient and hassle-free.

9.8

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What We Like

Durable glass material
Available in two lengths
Precise cube diameter
Flexible open end options
Large quantity in a pack

#TOP 3

StonyLab 100mm Micro Glass Capillary Tubes

stonylab
GlassCapillaryTubes-4000PK

StonyLab Glass Capillary Tubes, 100mm Micro Glass Pipettes Capillary Transfer Tube with 0.3mm ID and 0.5mm OD for TLC Spotting, 4 Pack

The StonyLab Glass Capillary Tubes are 100mm long with an inner diameter of 0.3mm and an outer diameter of 0.5mm, making them ideal for sampling small volumes from reaction vessels. They are particularly useful for thin layer chromatography (TLC) spotting, providing precision in your experiments. However, due to their glass composition and small diameter, it is essential to handle them with care to avoid breakage. Each pack contains 4000 tubes, offering excellent value for laboratory needs.

9.6

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What We Like

High-quality laboratory-grade glass
Ideal for small volume sampling
Perfect for TLC spotting
Large quantity pack available

#TOP 4

3B Scientific U58021 Capillary Tubes Set

3B Scientific
U58021

3B Scientific U58021 Capillary Tubes Apparatus

The 3B Scientific Capillary Tubes offer a versatile selection with internal diameters of 2.0 mm, 1.5 mm, 1.0 mm, and 0.5 mm. This range allows you to choose the perfect size for your experiments, ensuring precision in your work. With a height of approximately 165 mm, these tubes are easy to handle and store. They are designed for ease of use, making them suitable for both beginners and experienced users. This product is a valuable addition to any laboratory setting.

9.4

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What We Like

Variety of tube diameters
Convenient height
Easy to handle
User-friendly design

#TOP 5

USAMILY Stainless Steel Capillary Tubes Set

USAMILY
06-024-001

USAMILY Stainless Steel Capillary Lab Tube Tubing 8Pcs, Outer Diameter 0.5 to 12mm, Internal Diameter 0.2 to 10mm, Length 300mm

The USAMILY Capillary Tubes come in a set of eight, featuring various outer diameters ranging from 0.5mm to 12mm and inner diameters from 0.2mm to 10mm. Crafted from stainless steel, these tubes offer excellent corrosion resistance, making them suitable for a wide range of applications. Their precision design ensures accurate measurements, which is vital for scientific experiments or precise fluid handling. With a length of 300mm, they provide ample space for various uses, enhancing convenience in your lab work.

9.4

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What We Like

Corrosion-resistant material
Precision design
Various sizes included
Length suitable for many applications

#TOP 6

Iplusmile 500pcs Transparent Melting Point Tubes

iplusmile
363015H1U9
Transparent

Iplusmile 500pcs Melting Point Capillary Tubes Transparent Synthetic Lab Tubes for Melting Point Testing 3.15 Inch Length One End Open

The Iplusmile Melting Point Tubes are designed for accurate melting point testing, helping you perform precise chemical analysis and research. Made from safe synthetic material, these tubes resist chemicals and offer clear visibility, making it easy for you to observe your samples. Their compact size fits standard melting point apparatus, so you can work conveniently without compatibility issues. Additionally, these tubes are versatile for various lab tasks, including sample collection and preparation, making them practical for your scientific or medical work.

9.4

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What We Like

Precise melting point measurement
Chemical-resistant transparent material
Compact, fits standard apparatus
Versatile for multiple lab tasks
Easy observation of samples

#TOP 7

100 mm Glass Capillary Tubes for TLC

Lichen cottage
(ID): 0.3mm/ (OD): 0.5m

Glass Capillary Tubes, 100 mm Micro Glass Pipettes Capillary Transfer Tube with 0.3mm ID and 0.5mm OD for TLC Spotting, Pack of 1000

The Lichen Cottage Capillary Tubes are designed for precision in laboratory settings. Each tube is 100mm long with an inner diameter of 0.3mm, making them ideal for sampling small volumes in experiments. Made from high-quality glass, they feature smooth and transparent surfaces, ensuring ease of observation and handling. With a diameter tolerance of 0.1mm, you can rely on their consistency for accurate results in thin layer chromatography and other analytical applications.

9.2

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What We Like

High-quality glass material
Consistent diameter tolerance
Ideal for small-volume sampling
Transparent and smooth surfaces

Frequently Asked Questions (FAQs)

1. What is a capillary tube in lab?

Provides liquid measurement, transfer, sample collection, and testing. Precision-bore glass capillary tubes. Cut to predetermined lengths, so that each capillary tube will hold a known volume of fluid when filled.

2. What tubes are used for capillary sticks?

Capillary punctures require different devices than the typical venipuncture equipment. They include lancets, microcontainer tubes, microhematocrit tubes and sealants, and warming devices.

3. What are capillary collection vials?

Available for a wide range of applications, the Capillary Collection Tubes are pre-assembled with a capillary tube, attached cap and a micro tube. The capillary tube uses capillary action to draw the blood into the micro tube thereby eliminating the tendency for scooping.

Editor's Notes

During our capillary lab tube research, we found 33 capillary lab tube products and shortlisted 7 quality products. We collected and analyzed 2,849 customer reviews through our big data system to write the capillary lab tubes list. We found that most customers choose capillary lab tubes with an average price of £22.51.

The capillary lab tubes are available for purchase. We have researched hundreds of brands and picked the top brands of capillary lab tubes, including Labasics, SGerste, stonylab, 3B Scientific, USAMILY.

Written by

Tom Law

Tom Law is an adventurer who has captured his love for nature into all of his works. A native of Newcastle, Tom has always wanted to share beautiful stories alongside the lovely sights of nature. Fortunately, he took into photography on one of his many journeys and gradually grew a passion for it. Tom Law is now an expert photographer who tours the world while creating and keeping memories of his adventures. He frequently puts his thoughts and experiences into writing.