HandyTube’s Ultra-Small Diameter capillary tubing (USD™) is crucial to the performance of High Performance and Ultra-Performance Liquid Chromatography (HPLC and UPLC) equipment. We now offer USD™ capillary tubing with outer diameters less than 1/16th inch (1.59 mm). Seamless USD™ capillary tubing increases sampling efficiencies.

To learn more about USD visit:

https://handytube.com/products/ultra-small-diameter-tube