Best Capillary Lab Tubes of 2025

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.

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.

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.

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.

The Corning Capillary Tubes are essential for laboratory use, designed to accommodate various experiments. With a package length of 2.3 cm, height of 17.1 cm, and width of 9.7 cm, they are compact and easy to store. Weighing just 0.029 kg, they are lightweight, making them convenient to handle. The open ends allow for easy filling and cleaning, ensuring you can perform your tasks efficiently. These features make the tubes a practical choice for any laboratory setting.

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.

The Eisco Capillary Melting Tubes are designed with open ends for easy use in laboratory settings. Each tube measures 4 inches in length, making them suitable for various applications. Made from durable borosilicate glass, these tubes can withstand high temperatures, ensuring reliability during experiments. With a wall thickness of just 0.2mm, they offer excellent sensitivity for melting point determination, allowing you to achieve precise results with confidence.

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.

The XCD Capillary Tubes are laboratory-grade glass tubes measuring 100 mm in length, with an inner diameter of 0.3 mm and an outer diameter of 0.5 mm. This product comes in a pack of 1000, providing ample supply for your needs. They are specifically designed for sampling from reaction vessels with small volumes, making them perfect for precise applications. Additionally, these tubes are suitable for use with TLC plates, helping you perform chromatography efficiently and effectively.

The J&K Capillary Tubes offer consistent dimensions, allowing you to achieve precise volume filling. This feature is particularly beneficial as it reduces variations in spotting volumes between samples, ensuring reliable results. Made from high-quality materials, these tubes have open ends with no flat edges, making sampling and spotting easy. They come packaged in a sturdy resealable tube, ensuring cleanliness and protection during transport. Ideal for TLC separation or melting point analysis, these disposable tubes can also be sealed by flame for added convenience.