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, 0.5mm, 0.75mm da 1mm 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.