Filme Cathay™ PFA
Filme PFA Everflon Cathay™
Temperaturas extremas.
Transparência excepcional.
Um filme fluoropolímero PFA processável por fusão, desenvolvido para altas temperaturas, ambientes químicos agressivos, isolamento elétrico exigente e processos industriais de precisão.
Filme fluoropolímero PFA para alta temperatura e aplicações industriais críticas
O filme PFA Everflon Cathay™ combina excelente resistência química, baixa permeabilidade, ótimo desempenho dielétrico, resistência a altas temperaturas, transparência óptica, baixo atrito superficial e processabilidade por fusão. É indicado para aplicações exigentes em eletrônica, isolamento elétrico, fios e cabos, processos químicos, placas de circuito, desmoldagem de compósitos, bombas químicas, revestimentos de tanques e outros sistemas industriais de alto desempenho.
PFA · Perfluoroalkoxy Fluoropolymer
Chemical ResistanceDielectric PerformanceHeat SealableÓptico Clarity
Why Filme PFA Everflon Cathay™
Projetado para condições extremas.
Otimizado para precisão.
Filme PFA Everflon Cathay™ combines the chemical inertness, dielectric performance and thermal capability expected from premium fluoropolymers with the added advantages of transparency and melt-processability.
THERMAL PERFORMANCE
Extreme-temperature capability
Continuous service from approximately −254°C to 260°,providing exceptional performance across both cryogenic and high-temperature environments.
CHEMICAL RESISTANCE
Highly inert. Exceptionally resistant.
PFA offers excellent resistance to aggressive chemicals and solvents, supporting demanding chemical-processing, lining, pump, sealing and fluid-contact applications.
LOW PERMEABILITY
A stronger barrier.
Baixa permeabilidade to liquids, gases, moisture and organic vapors helps support critical barrier, containment and protection requirements in demanding industrial systems.
DIELECTRIC PERFORMANCE
Elétrico performance that stays stable.
Excellent dielectric properties across a broad range of frequencies and temperatures make PFA film well suited for electrical insulation, wire and cable, circuit board laminates and high-performance electronics.
OPTICAL CLARITY
PTFE-like performance. In a clear film.
PFA combines many of the high-performance characteristics associated with PTFE with excellent light transmission and transparency for inspection, protection and appearance-critical applications.
MELT-PROCESSABLE
More ways to fabricate.
Unlike non-melt-processable fluoropolymers, PFA film can support heat sealing, thermoforming, welding and thermal bonding, opening additional options for fabrication and system integration.
Also engineered for Resistência à fluência em alta temperatura
Performance at the other extreme Excelente tenacidade em baixa temperatura
Material formulation Sem plastificantes, auxiliares de processo ou aditivos
Why choose PFA film for high-temperature and chemically aggressive applications?
PFA fluoropolymer film is selected where a combination of high continuous-use temperature, chemical resistance, low permeability, electrical insulation, dielectric stability, optical clarity, low-friction release behavior and melt-processability is required. These characteristics make PFA film a strong candidate for electronics, wire and cable, chemical processing, composite mold release, circuit board laminates, pumps, tank linings, gaskets and other demanding industrial applications.
Filme PFA Everflon Cathay™ · Grade S
Menos perdas.
Mais sinal.
Cathay™ PFA Film Grade S is engineered for applications where dielectric performance, electrical insulation, low signal distortion and optical clarity matter. It is particularly well suited for PCB laminates, flexible printed circuits, flat cable, wire and cable insulation, and see-through protective applications.
Resina PFA Everflon™ virgem de alta qualidade
Faixa de MFI indicada para o grade S
Para integridade de sinal e desempenho de isolamento
01
Baixa constante dielétrica e baixas perdas
Designed to take advantage of PFA's low dielectric constant and low dissipation over a broad range of temperatures and frequencies, helping reduce signal distortion and attenuation.
02
Alta resistividade superficial e volumétrica
High electrical resistivity helps minimize current leakage and supports reliable insulation in demanding wire, cable and electronic applications.
03
Desenvolvido para PCB e sistemas de cabos
A strong candidate for PCB laminates, flexible printed circuits, flat cable, high-temperature insulation and wire & cable systems where dielectric performance is a primary requirement.
04
Alta transparência para inspeção visual
Grade S is also the preferred choice for protective, decorative and see-through applications where visual appearance and optical clarity are important.
High-Dielectric-Performance PFA Film for PCB Laminates, Flexible Circuits and Wire & Cable
Filme PFA Everflon Cathay™ Grade S is designed for electrical and electronic applications requiring low dielectric loss, low signal distortion, high insulation performance and excellent clarity. Typical application areas include PCB laminates, flexible printed circuits, flat cable, wire and cable insulation, high-temperature electrical insulation, transparent protection and appearance-critical components.
Filme PFA Everflon Cathay™ · Grade W
Mais possibilidades de união.
Mais eficiência de custo.
Cathay™ PFA Film Grade W is a mechanical-grade, value-focused PFA film developed for applications where premium appearance is not the primary requirement. It is especially well suited for hot-melt adhesive, welding tape and thermal-bonding applications.
Designed for functional industrial use
Hot-melt adhesive and welding-tape applications
Potential savings stated for Grade W
01
Projetado para soldagem e colagem
Grade W is positioned for hot-melt adhesive, welding tape and thermal-bonding applications where process function matters more than premium visual appearance.
02
Desempenho PFA onde realmente importa
The grade retains the physical, mechanical and thermal performance characteristics associated with PFA film, supporting demanding industrial fabrication environments.
03
Adequado para altas temperaturas
With a stated continuous service temperature of 260°C, PFA Grade W can support heat-intensive processing and high-temperature service conditions.
04
Projetado para melhor eficiência econômica
For applications that do not require high aesthetic standards, Grade W offers an economical route to PFA film performance, with stated savings of up to 25%.
Economical PFA Soldagem Film for Hot-Melt Adhesive, Soldagem Tape and Térmico-Bonding Applications
Filme PFA Everflon Cathay™ Grade W is a mechanical-grade PFA fluoropolymer film for hot-melt adhesive, welding tape, heat bonding and industrial fabrication. It is intended for applications that prioritize mechanical and thermal performance over premium appearance, while retaining the core performance profile of PFA film.
Aplicações do Filme de PFA Everflon Cathay™
Um filme.
Muitos sistemas críticos.
De eletrônicos e fios & cabos ao processamento químico agressivo, moldagem de compósitos e vedação em alta temperatura, o Filme de PFA Everflon Cathay™ é desenvolvido para aplicações onde estabilidade térmica, resistência química, desempenho dielétrico, baixa permeabilidade e processabilidade devem atuar em conjunto.
Sistemas de processamento químico
Excelente resistência química e baixa permeabilidade tornam o filme de PFA a escolha ideal para ambientes químicos agressivos, proteção contra corrosão e aplicações em contato com fluidos de processo.
Isolamento de fios & cabos
Alto desempenho dielétrico, estabilidade térmica e baixa perda de sinal atendem aos exigentes sistemas de isolamento elétrico de alta temperatura para fios e cabos.
Eletrônicos e isolamento
Propriedades dielétricas estáveis e alto desempenho de isolamento atendem a montagens eletrônicas, barreiras elétricas e exigentes aplicações de alta frequência.
Laminados para placas de circuito
Baixa perda dielétrica, alta resistividade e facilidade de processamento por fusão tornam o filme de PFA adequado para laminados de PCB, circuitos flexíveis e estruturas eletrônicas correlatas.
Desmoldagem de compósitos
Baixo atrito, propriedades antiaderentes e resistência a altas temperaturas atendem às aplicações de desmoldagem na conformação de compósitos e processos de cura.
Bombas químicas e revestimentos de tanques
Inércia química, flexibilidade e desempenho de barreira protegem componentes de bombas químicas, revestimentos de tanques e superfícies expostas a fluidos agressivos.
Coberturas termocontráteis para rolos
Resistência térmica, baixo atrito e resistência química protegem aplicações de cobertura de rolos em sistemas de processamento e movimentação industrial.
Discos de ruptura e juntas de vedação
Resistência química, estabilidade térmica e baixa permeabilidade atendem a componentes de vedação, isolamento e controle de pressão em equipamentos de processo severo.
Aplicações do Filme de PFA em Eletrônicos, Processamento Químico, Fios & Cabos, Moldagem de Compósitos e Sistemas Industriais
O Filme de PFA Everflon Cathay™ é indicado para equipamentos de processamento químico, isolamento de fios e cabos, eletrônicos, laminados de PCB, circuitos impressos flexíveis, desmoldagem de compósitos, bombas químicas, revestimentos de tanques, coberturas termocontráteis de rolos, discos de ruptura e juntas de vedação. Sua combinação de capacidade em alta temperatura, resistência química, desempenho dielétrico, baixa permeabilidade, transparência óptica e processabilidade por fusão o torna ideal para ambientes industriais exigentes no Brasil e mercados globais.
Filme PFA Everflon Cathay™ · Propriedades técnicas
Desempenho.
Quantificado.
Representative physical, mechanical, electrical, thermal and optical properties of Filme PFA Everflon Cathay™. Final material selection should consider film grade, thickness, processing history, test conditions and the actual operating environment.
Typical continuous-use temperature
Typical value for 25 μm film
Typical value
Typical value
Propriedades físicas típicas
Dados técnicos do filme PFA
Values shown below are representative values from the referenced Cathay™ PFA Film product page.
| Categoria | Propriedade | Método de ensaio | Unidade | Valor típico |
|---|---|---|---|---|
| Geral | Densidade relativa | ASTM D792 | — | 2.15 |
| Yield (25 μm film) | — | m²/kg | 18 | |
| Inflamabilidade | UL 94 | — | V-0 | |
| Absorção de água | — | % | <0.01 | |
| Mecânico | Resistência à tração na ruptura | ASTM D882 | MPa | 26 |
| Alongamento na ruptura | ASTM D882 | % | 300 | |
| Módulo de tração | ASTM D882 | MPa | 480 | |
| Initial Tear Strength, 25 μm | ASTM D1004 | — | 2.2–2.7 | |
| Propagating Tear Strength, 25 μm | ASTM D1922 | — | 1.4–1.5 | |
| Durability | Fold Endurance (M.I.T.) | ASTM D2176 | cycles | 500,000 |
| Elétrico | Dielectric Strength, 25 μm | ASTM D149 | kV/mm | 185 |
| Constante dielétrica, 1 kHz | ASTM D150 | — | 2.1 | |
| Fator de dissipação, 1 kHz | ASTM D150 | — | 0.0005 | |
| Térmico | Ponto de fusão | ASTM D3418 | °C | 310 |
| Temperatura de uso contínuo | — | °C | 260 | |
| Calor específico | — | J/(kg·K) | 1172 | |
| Coefficient of Térmico Conductivity | — | W/(m·K) | 0.195 | |
| Coefficient of Linear Térmico Expansion | ASTM D696 | mm/(mm·°C) | 9.9 × 10−5 | |
| Índice limite de oxigênio | ASTM D2863 | % | 95 | |
| Óptico | Índice de refração | ASTM D542 | — | 1.35 |
| Transmissão solar | ASTM E424 | % | 96 |
Temperature Range −254°C to 260°C
Stated continuous service range
Melt Processing Range 300–310°C
Stated melt-temperature range
Processing Options Seal · Form · Weld · Bond
Heat sealing, thermoforming, welding and thermal bonding
PFA Film Elétrico, Mecânico, Térmico and Óptico Properties
Filme PFA Everflon Cathay™ combines high continuous-use temperature, low water absorption, excellent dielectric behavior, strong tensile and elongation performance, low flammability and high optical transmission. These properties are important for PFA film used in electrical insulation, wire and cable, PCB laminates, flexible circuits, chemical processing, composite mold release, tank linings and high-temperature industrial applications.
For engineering evaluation, consider film thickness, temperature exposure, electrical requirements, chemical contact, mechanical loading and fabrication method together with the applicable product specification.
The values shown are typical values, not guaranteed specification limits. Actual properties may vary with grade, film thickness, processing history, test conditions and end-use environment. Use the latest Everflon technical documentation for design qualification, validation and final material approval.
Filme PFA Everflon Cathay™ · Grade Selection Guide
Comece pela necessidade.
Depois escolha o grade.
Choose the PFA film grade by first defining the application, electrical requirements, fabrication method, appearance expectations and operating conditions. Cathay™ Grade S is optimized around electrical and optical performance, while Grade W is positioned around welding, bonding and value.
S
ELECTRICAL + OPTICALIs dielectric performance or clarity your first priority?
Start with Grade S when low dielectric loss, electrical insulation, signal integrity and transparent appearance are central to the application.
Low dielectric constant
Low dissipation factor
Alta resistividade superficial e volumétrica
Excellent optical clarity
PCB laminates and flexible circuits
Flat cable and wire & cable insulation
BEST STARTING POINT FOR
Electronics · Elétrico Insulation · PCB · Cable
Explore Grade S → W
WELDING + ECONOMIAIs welding, bonding or cost efficiency the priority?
Start with Grade W when the application is functional, appearance is secondary, and hot-melt bonding, welding tape or thermal bonding is a primary processing requirement.
Mecânico-grade PFA film
Hot-melt adhesive applications
Soldagem tape
Térmico bonding
Full PFA physical / mechanical / thermal performance
Até 25% stated savings
BEST STARTING POINT FOR
Soldagem · Bonding · Fabrication · Value Engineering
Explore Grade W → Comparação rápida
Cathay™ PFA Film S vs W
A practical starting point for engineering, sourcing and application review.
| Critério de seleção | Grade S | Grade W |
|---|---|---|
| Primary Positioning | Elétrico + optical performance | Soldagem + mechanical value |
| Elétrico / Dielectric Priority | Recomendado | Depende da aplicação |
| Óptico / Appearance Priority | Recomendado | Not the primary focus |
| Hot-Melt Adhesive / Soldagem Tape | Possible by application review | Recomendado |
| PCB / Flexible Circuit / Cable | Strong fit | Depende da aplicação |
| Mecânico / Functional Use | Yes | Primary positioning |
| Value Engineering | Performance-led | Até 25% stated savings |
BEFORE FINAL SELECTION
Let the operating conditions decide.
Final grade selection should consider film thickness, service temperature, electrical requirements, chemical exposure, fabrication method, appearance requirements, dimensional needs and expected annual volume.
Service temperature Film thickness Width / dimensions Elétrico requirements Chemical exposure Fabrication method Appearance requirement Volume anual
How to Choose Between PFA Film Grade S and Grade W
Choose Filme PFA Everflon Cathay™ Grade S when low dielectric loss, electrical insulation, signal integrity, PCB laminates, flexible printed circuits, flat cable, wire and cable insulation or optical clarity are the primary requirements. Choose Grade W when hot-melt adhesive welding tape, thermal bonding, mechanical-grade PFA film or cost-focused fabrication is the main priority.
Final PFA film selection should always be confirmed against the actual operating temperature, chemical environment, electrical performance, thickness, dimensions and fabrication conditions of the end-use application.
Filme PFA Everflon Cathay™ · Frequently Asked Questions
Perguntas frequentes.
Respostas claras.
Practical answers for engineers, buyers, product developers and manufacturing teams evaluating PFA film for high-temperature, chemical-resistant, electrical, bonding and release applications.
01 O que é filme PFA? +
PFA film is a melt-processable fluoropolymer film based on perfluoroalkoxy resin. It combines high-temperature capability, excellent chemical resistance, low permeability, strong dielectric performance, low-friction surface behavior and optical clarity.
02 Qual faixa de temperatura o filme PFA suporta? +
The referenced Cathay™ PFA Film product page states a continuous service range of approximately −254°C to 260°C (−425°F to 500°F) Actual application limits should still be verified against film thickness, mechanical loading, chemical exposure, process conditions and the duration of temperature exposure.
03 O filme PFA resiste a produtos químicos agressivos e solventes? +
Yes. PFA is known for excellent resistance to a wide range of chemicals and solvents, which is why it is considered for chemical-processing equipment, pump components, tank linings, fluid-contact systems and corrosion-protection applications. Final suitability should be checked against the specific chemical, concentration, temperature, pressure and exposure time.
04 O filme PFA é adequado para isolamento elétrico? +
Yes. PFA film offers low dielectric constant, low dissipation factor, high electrical resistivity and strong dielectric strength. It can therefore be evaluated for electrical insulation, PCB laminates, flexible printed circuits, flat cable wire and cable and other high-performance electronic applications.
05 What is the difference between Cathay™ PFA Film Grade S and Grade W? +
Grade S is positioned around electrical, dielectric and optical performance and is the preferred starting point for applications such as PCB laminates, flexible circuits, flat cable, wire and cable insulation and transparent protection. Grade W is a mechanical-grade, value-focused PFA film intended primarily for hot-melt adhesive, welding tape, thermal bonding and functional fabrication applications where premium appearance is not the main requirement.
06 O filme PFA pode ser termosselado ou soldado? +
Yes. Because PFA is melt-processable, the film can support heat sealing, thermoforming, welding and thermal bonding under appropriate process conditions. Grade W is the primary Cathay™ grade to evaluate when welding tape or hot-melt bonding is the main application.
07 O filme PFA pode ser usado em PCB e circuitos flexíveis? +
Yes. Low dielectric constant, low dissipation factor, high resistivity and high-temperature capability make PFA film a candidate for PCB laminates, flexible printed circuits and related electronic structures. Grade S is the preferred starting point when dielectric performance and signal integrity are important.
08 O filme PFA pode ser usado como filme desmoldante para compósitos? +
Yes. PFA offers low-friction, non-stick surface behavior together with high-temperature capability, making it suitable for evaluation as a release film in composite molding and cure processes. The final film thickness and process conditions should be selected for the specific tool, resin system and cure cycle.
09 Quais são as aplicações típicas do filme PFA? +
Typical application areas listed for Cathay™ PFA Film include chemical processing, wire and cable, electronics, circuit board laminates, composite mold release, chemical pumps, tank linings, shrink roll covers, rupture discs and gaskets.
10 O filme PFA é transparente? +
Yes. PFA film provides excellent transparency and light transmission while retaining high-temperature, chemical-resistant and dielectric properties. This can be useful in applications where visual inspection, appearance or see-through protection is important.
11 Quais são as propriedades elétricas típicas do filme PFA? +
The referenced typical-properties table lists a dielectric constant of 2.1 at 1 kHz, a dissipation factor of 0.0005 at 1 kHz and a dielectric strength of 185 kV/mm for 25 μm film. These are representative values, not guaranteed specification limits.
12 Can film thickness, width or other dimensions be reviewed for a project? +
Project-specific dimensions and converting requirements should be reviewed case by case. When requesting a quotation or technical review, provide the target film thickness, width or finished dimensions, operating temperature, fabrication method, electrical or chemical requirements and expected annual volume.
Filme PFA Everflon Cathay™ · Technical Consultation
Conte-nos sobre a aplicação.
Ajudamos a reduzir as opções.
The fastest way to evaluate a PFA film is to start with the real operating conditions. Share the temperature, thickness, dimensions, electrical requirements, chemical environment and fabrication method, and the candidate grade and specification can be reviewed more efficiently.
Cotação, amostra e suporte técnico para filme PFA
Filme PFA Everflon Cathay™ can be evaluated for electrical insulation, electronics, PCB laminates, flexible circuits, wire and cable, chemical processing, composite mold release, chemical pumps, tank linings, heat sealing, welding and high-temperature industrial applications. For technical review or quotation, provide the end-use conditions and expected annual volume.
01
Review whether Grade S or Grade W is the better starting point.
02
Review thickness, width, roll format and converting requirements.
03
Align thermal, electrical, chemical and processing requirements.
INFORMAÇÕES RECOMENDADAS PARA COTAÇÃO
O que incluir na sua consulta.
These project details help engineering and sales teams evaluate the most appropriate PFA film option and respond with fewer follow-up questions.
Service temperature
Continuous temperature, peak temperature and exposure duration.
Film thickness
Target nominal thickness or acceptable thickness range.
Width / dimensions
Required web width, roll format or finished dimensions.
Elétrico requirements
Insulation, dielectric strength, dielectric loss or frequency conditions.
Chemical exposure
Chemical type, concentration, temperature and contact time.
Fabrication method
Heat sealing, welding, thermoforming, lamination, bonding or converting.
Industry / application
Electronics, wire & cable, chemical processing, composites or another end use.
Expected annual volume
Prototype, qualification, pilot production or estimated annual demand.
PROJECT REVIEW Start with your operating conditions.
Solicitar cotação → Availability of project-specific thicknesses, widths, roll formats, colors, perforation or other converting options should be confirmed for the individual project.
Potência que vem de família
Extremamente fino. Fortíssimo por dentro.
Obra-prima atrás de obra-prima.
Dá asas às possibilidades.
Processo de Moldagem de Compósitos
Arquitetura/Estufa
Fotovoltaica/Solar
Elétrico
Indústria Farmacêutica
Processamento Químico
Coberturas de radome
Protetores contra respingos
INQUÉRITO