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    PTFE is affected by some alkali metals (molten or in solution) and rare fluorinated compounds at high temperatures and/or pressures. Some organic and halogenated solvents are absorbed causing minor dimensional changes but these effects are physical and also reversible.

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    Although FEP is similar to PTFE, there are a number of important differences. It has a slightly higher friction coefficient, lower continuous working temperature and is more transparent than PTFE. FEP has a better gas and vapor permeability and outstanding UV transmission values.

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    PFA has the advantage to withstand a higher continuous working temperature compared to FEP. Due to melt processability, PFA can be extruded in longer continuous lengths than PTFE.

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    PVDF is very suitable for applications that require an excellent chemical resistance, a high degree of purity and superior mechanical properties. PVDF is often used as a coating or protection cover in chemical industry applications.

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    ECTFE, also known as Halar®, is often chosen for applications requiring excellent barrier resistant properties. Products out of ECTFE have excellent mechanical, electrical and chemical properties.

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    PCTFE is often used in Aerospace applications due to its extreme low outgassing value. PCTFE is also ideal for cryogenic applications. Products out of PCTFE have excellent physical, mechanical and electrical properties, heat resistance, chemical resistance and low moisture absorption.

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    This linear aromatic polymer is semi-crystalline and is widely regarded as the highest performance thermoplastic material currently available. PEEK polymer is widely regarded as a material with superb chemical resistance.