Ububanzi beshubhu be-PEEK bungu-1/16”, bulingana neningi lokuhlaziywa kwe-chromatography ye-liquid esebenza kahle.I-Chromasir inikeza ishubhu engu-1/16” OD PEEK ene-ID engu-0.13mm, 0.18mm, 0.25mm kanye no-0.5mm ngokukhetha kwamakhasimende.Ukubekezelela ububanzi bangaphakathi nangaphandle ngu-± 0.001”(0.03mm).Umsiki wamashubhu uzonikezwa mahhala uma i-PEEK i-oda lamashubhu ngaphezu kuka-5m.