Capillary Tube and Tubings
Our offer includes capillaries and capillary blanks as well as hoses and hose blanks made of Teflon, PEEK, stainless steel and other materials.
>> PDF Capillary Tube and Tubings
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PEEK tubing has the strength required to withstand continuous use at HPLC pressure without swelling or bursting. The dense polymer structure of VICI Jour PEEK tubing eliminates the permeability to organic solvents that causes other polymer tubing, such as Tefzel to "sweat".' VICI Jour PEEK tubing is color-coded two ways for easy identification. "Solid Color Coded" - dye is added to the tubing when manufactured and is evenly distributed through the entire tube for easy visibility. "Striped Color Coding" - only a colored stripe is added to the OD. Use the "Striped Color Coded" where maximum chemical resistance and biocompatibility are required. Dye never contacts the fluid stream. PEEK is compatible with almost any of the solvents commonly used in HPLC. Methylene Chloride, THF and DMSO may cause swelling in PEEK. Concentrated nitric and sulphuric acid will attack PEEK. However, PEEK can safely withstand 20-30% nitric acid when passivating a system.