Fluoropolymers are some of the most versatile engineering materials known and, since their discovery over 70 years ago, have been used in nearly every field of modern industry, technology, and science. Their non-stick properties became commonly recog-nized by the consuming public when E. I. DuPont began marketing his Teflon™ brand product for use on cookware, as a fiber treatment for stain resistance, and in other household applications.
Fluoropolymer material is recognized for its excellent resistance to heat — up to 500°F continuously. Lesser known is its usefulness in Fluoropolymer Tubing extremely cold temperatures. Fluoropolymer will remain reasonably flexible to -100°F.
Because fluoropolymers are almost universally inert to industrial chemicals and solvents, their use for corrosion protection has become one of their largest
growth areas. With few exceptions, fluoropolymer tubing can handle virtually any corrosive chemical in use today.
What’s the difference?
a fluorocarbon-based polymer, is a resin supplied in powdered form, which is mixed, preformed, and extruded into a paste, and then finally tubing. PTFE tubing can be used in a large variety of applications due to its high chemical resistance, high and low temperature capability, resistance to weathering, electrical and thermal insulation, and lowest coefficient of friction of any solid material. The tubing is translucent white in color.
FEP (Fluorinated Ethylene Propylene)
Resin is pelletized for its hot-melt extrusion process. FEP tubing is known for its gas and vapor permeability properties and excellent UV transmission ratings. While very similar in composition to PTFE, there are a few notable differences. FEP has a lower heat shrink temperature and is clearer and more flexible than PTFE.
Is a resin, like FEP, belonging to a class of melt-processible fluoroplastics. PFA tubing is also known for its gas and vapor permeability properties and excellent UV transmission ratings. It is similar in composition to FEP but has better heat resistance and a smoother surface. It, too, is clearer and more flexible than PTFE.
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