Is PTFE the same as FEP?
PTFE and FEP are similar in their material properties. The main difference between PTFE and FEP lies in the maximum operating temperature and the colour. PTFE is milky/white and FEP is clear transparent.
What is FEP resin?
Fluorinated ethylene propylene (FEP) is a copolymer of hexafluoropropylene and tetrafluoroethylene. It differs from the polytetrafluoroethylene (PTFE) resins in that it is melt-processable using conventional injection molding and screw extrusion techniques.
What is FEP made of?
Fluorinatedethylenepropylene (FEP) is a copolymer of hexafluoropropylene and tetrafluoroetheylene that shares PTFE’s chemical resistance and useful low friction properties, but is more easily formable. FEP was invented by Dupont and developed as a melt processable version of PTFE.
What is the density of FEP?
FEP – Fluorinated ethylene propylene – TYPICAL PROPERTIES
| Property | Value | Method |
|---|---|---|
| Flexural Strength, 73°F | No break at flexure | D 790 |
| Impact Strength, Izod | No break | |
| Yield Strength At 23 deg C | 1740 12 | |
| Density (as polymerized) | 2.12 to 2.17 |
What is the difference between PTFE and TFE?
PTFE is the chemical description for polytetrafluoroethylene, or better known as DuPont’s Teflon. Many other suppliers also manufacture PTFE grannular and free flow resins. TFE is the chemical name for tetrafluoroethylene, which is a colorless and taseless gas, extremely toxic and ultimately deadly.
How long should a FEP last?
FEP films should be replaced when they have major signs of wear and tear such as deep scratches, punctures, and regularly result in failed prints. Some can get at least 20-30 prints, though with proper care, FEP sheets can last several prints without damage.
How often do you replace FEP film?
50-75 prints
FilamentOne recommends replacing FEP film after 50-75 prints depending on maintenance, clean with 91% IPA and MicroFiber towels to ensure long life, only use soft plastic scraper tools in vat, no metal or sharp objects.
What is fluorinated resin used for?
Fluorine resin can be used to various applications like non-stick frying pan, semiconductor, OA equipment, automobiles and general industrial machinery, has been active in a wide range of fields.
What are the properties of Teflon FEP resins?
Teflon™ FEP resins offer excellent chemical resistance and electrical properties while functioning at high service temperatures up to 200 °C (392 °F). Teflon™ FEP resins also provide unique flame resistance and best-in-class low-temperature toughness. Teflon™ FEP is also available as a coating, film, or dispersion.
What kind of metal is used for Teflon resin?
It’s recommended that manufacturers use corrosion-resistant metals for any equipment that may contact molten resin. Many Teflon™ FEP resins comply with the ASTM Standard Specification for FEP-Fluorocarbon Molding and Extrusion Materials ( ASTM Designation D2116-95a ).
What kind of dielectric properties does FEP have?
FEP supplies the excellent dielectric properties these cables required to perform well at high data transmission rates as well as long-term stability. FEP is a copolymer of tetrafluoroethylene (TFE) and hexafluoropropylene (HFP), first produced by DuPont in 1956 (Teflon™ FEP) to reduce PTFE’s high crystallinity and melt viscosity.
Which is the best resin for perfluoropolymer films?
FEP and PFA are the most common resin choices for perfluoropolymer films manufactured by single-screw extrusion. These two polymers have the highest extrusion temperature of all fluoropolymers with PFA processing temperature being the highest.