Capillary bụ ihe dị mkpa na-eri na HPLC, nke na-arụ ọrụ dị mkpa na ijikọ modul ngwá ọrụ, na ogidi chromatographic. Chromasir®otu na-emepụta capillaries atọ na ihe ndị yiri ya, na-eme ka ọ bụrụ capillaries atọ (Traline series, Ribend series and Supline series) na ụzọ dị iche iche, ma nweta ọtụtụ patent. SGS enyochala usoro nke capillary, na-akwado n'ụzọ zuru ezu ihe capillary. Capillary nke Chromasir®dakọtara na ihe karịrị 95% HPLC.