Tubo PTFE de 4mm (3/16') DE x 3.2mm DI. Omnifit Bio-Chem Valve
PTFE tubing (polytetrafluoroethylene) is chemically inert and suitable for low pressure applications. Typical tubing 1/16 'O.D. can support up to 62bar (900psi) and 1/8' up to 35bar (500psi). The maximum continuous operating temperature is 100°C.
PFA tubing (perfluoroalkoxy) has excellent chemical stability and mechanical strength. The tubing of 1/16 'O.D. can support up to 100bar (1450psi), while the 1/8' O.D. can be used up to 72bar (1050psi).
If the gas permeability is a problem, always use PFA instead of PTFE.
FEP tubing (FluorinatedEthylenePropylene) is chemically inert to most HPLC solvents, and is recommended for low pressure applications. Usually the tube 1/16 ' O.D. can work up to 117bar (1700psi), and 1/8' O.D. supports up to 70bar (1000psi).
We recommend FEP for ion chromatography applications.
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