Diamita na PEEK tubing shine 1/16”, wanda ya dace da yawancin babban aikin bincike na chromatography na ruwa.Chromasir yana ba da bututun OD PEEK 1/16 tare da ID 0.13mm, 0.18mm, 0.25mm da 0.5mm don zaɓin abokan ciniki.Haƙuri na ciki da na waje shine ± 0.001"(0.03mm).Za a ba da abin yankan bututu kyauta lokacin da PEEK tubing yayi odar sama da 5m.