--- title: "Fluoropolymers Explained: Basics and Applications" id: "5977" type: "post" slug: "fluoropolymers-explained" published_at: "2024-08-08T13:29:33+00:00" modified_at: "2024-08-05T17:33:55+00:00" url: "https://www.plasticsengineering.org/2024/08/fluoropolymers-explained-005977/" markdown_url: "https://www.plasticsengineering.org/2024/08/fluoropolymers-explained-005977.md" excerpt: "Fluoropolymers enhance various applications across multiple industries, including aerospace, automotive, electronics, packaging, and medical." taxonomy_category: - "Aerospace" - "Automotive & Transportation" - "Building & Construction" - "Circular Economy" - "Compounding" - "Durables" - "Electrical & Electronics" - "Industry" - "Materials" - "Medical" - "Packaging" - "People" - "Process" - "Regulation" - "Sustainability" - "Trending" taxonomy_post_tag: - "Aerospace" - "Automotive" - "Automotive/aircraft industry" - "Chemical/petrochemical industry" - "Electrical/electronic industry" - "electronics" - "Fluorine" - "Fluoropolymers" - "Fluoropolymers’ End-of-Life" - "Packaging" - "PFAs" --- [Home](https://www.plasticsengineering.org/) » [News](https://www.plasticsengineering.org/news/) » [Industry](https://www.plasticsengineering.org/c/industry/) » Fluoropolymers Explained: Basics and Applications # Fluoropolymers Explained: Basics and Applications Various industries, including aerospace, automotive, electronics, packaging, and medical use these unique plastics.### Fluoropolymers enhance various applications across multiple industries, including aerospace, automotive, electronics, packaging, and medical. Fluoropolymers are fluorine-based polymers used in various industries. Fluorine gives these polymers unique characteristics, with the strong bonds formed between carbon and fluorine atoms. These bonds provide higher bond energy than carbon-hydrogen bonds, giving the polymers distinctive attributes. **You can also read:** [Fluoropolymers Life Cycle and PFAS Contamination](https://www.plasticsengineering.org/2023/12/fluoropolymers-life-cycle-and-pfas-contamination-002533/) ## Fluorine is the Key Perfluorinated chemicals (PFCs), characterized by their exclusive carbon-fluorine and carbon-carbon bonds, offer exceptional chemical and weather resistance. Furthermore, the small dipole moment of PFCs enhances their oil and water-repellency, low surface tension, and reduced adhesion. Consequently, these properties render fluoropolymers ideal for a wide range of applications. Additionally, partially fluorinated polymers exhibit high dielectric constants and optical activity due to fluorine’s electron-attracting ability. This enhances acidity and lipophilicity in small molecules, making fluorine-substituted compounds suitable for pharmaceuticals. Moreover, the strength of the C-F bond, combined with fluorine’s low polarizability and high electronegativity, endows fluoropolymers with soil resistance, insulating properties, and gas barrier capabilities. These characteristics make fluoropolymers highly versatile and valuable in multiple industries. ## Main Applications for Fluoropolymers Various industries, including aerospace, automotive, electronics, packaging, and medical, utilize these unique plastics. The following table outlines the properties and industrial applications of items made from fluoropolymers. ### Chemical/Electrical/Automotive Industry **Application area****Key properties****Typical uses****Typically used fluoropolymers**Chemical/petrochemical industryChemical resistanceGood mechanical properties Thermal stability Cryogenic properties Gaskets, vessel liners, pumps, valve and pipe liners, tubings, coatings,expansion joints/bellows, heat exchangers PTFE, PFA/MFAETFE, ECTFE FEP FKM, FFKM TFE-P Electrical/electronic industryLow dielectric constantHigh volume/surface resistivity High dielectric breakdown voltage Flame resistance, Thermal stability Wire and cable Insulation, connectors, optical fibers, printed circuitboards FEP, PTFE, PFA, MFAETFE, ECTFE PCTFE amorphous FP Automotive/aircraft industryLow coefficient of frictionGood mechanical properties Cryogenic properties, Chemical resistance Low permeation properties Seals, O-Rings, hoses in automotive power steering, transmissions, andair conditioning, bearings, sensors fuel management systems. FKM, PTFEFFKM THV ### Medical/ Coatings/Additives Industry **Application area****Key properties****Typical uses****Typically used fluoropolymers**CoatingsThermal/weather stabilityLow surface energy Chemical resistance Cookware coatings, coatings of metal surfaces, powder coatingsPTFEPVDF, ETFE FEVE, PFA MedicalLow surface energy, stability,purity Excellent mechanical properties Cardiovascular grafts, heart patches, ligament replacementpackaging films for medical products PTFE, PCTFEPolymer additivesLow coefficient of frictionFlame resistance Abrasion resistance Antistick properties Polyolefin processing to avoid surface defects and for faster processing.Additives for inks, coatings, lubricants, anti-dripping agents THV, FKMPVDF, PTFE ### Energy Conversion/Textiles/ Semiconductor Industry **Application area****Key properties****Typical uses****Typically used fluoropolymers**Semiconductor industryChemical resistanceHigh purity Antiadhesion, insulation, barrier properties Thermal stability Process surfaceswafer carriers tubing, valves, pumps and fittings, storage tanks PFA, ECTFEPCTE, PTFE amorphous FP Energy conversion/storageRenewable energies Chemical/thermal resistanceIon-transportation High weatherability High transparency Corrosion resistance Binder for electrodes, separators, ion-selective membranes, gaskets,membrane-reinforcements, films for photovoltaics coatings for wind mill blades PVDF, Fluoroionomers(PFSA), THV, ETFE ECTFE, PTFE, FEP PVF General architectural/fabric/film applications Excellent weatherabilityFlame resistance Transparency Low surface energy Barrier properties Coated fabrics and films for buildings/roofs, front/backside films forsolar applications ETFE, PTFE, PVDFPCTFE, PVF, THV Table “Major properties and item-industrial applications made from fluoropolymers”. Reproduced from Fluoropolymers: The Right Material for the Right Applications- Bruno Ameduri. ## Fluoropolymers are Considered PFAS The [European Chemicals Agency](https://echa.europa.eu/restrictions-under-consideration/-/substance-rev/72301/term) and the Organization for Economic Cooperation and Development (OECD) defined PFAS as fluorinated substances that contain in their structure at least one fully fluorinated methyl or methylene carbon atom (without any H/Cl/Br/I atom attached to it). That is, with a few noted exceptions, any chemical with at least a perfluorinated methyl group (–CF3) or a perfluorinated methylene group (–CF2). As a result, PFAS can have widely varying properties, including being polymers or non-polymers; solids, liquids, or gases; persistent or non-persistent; highly reactive or inert; mobile or insoluble; and either (eco)toxic or non-toxic. Fluoropolymers, a family of high-performance plastics, contain strong carbon-fluorine (C-F) bonds. In conclusion, according to the definition, most fluoropolymers are classified as PFAS. **You can also read:** [Fluoropolymers are Considered PFAS](https://www.plasticsengineering.org/2023/11/