fep film – My Site

THV Film

Mr. PTFE — Sun, 31 Aug 2025 08:03:13 +0000

THV Film

ESONE’s THV (Tetrafluoroethylene-Hexafluoropropylene-Vinylidene fluoride) Fluorothermoplastic, a polymer made from tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride, offers unique advantages such as bonding capabilities with elastomers and hydrocarbon-based plastics, along with flexibility and optical clarity. ESONE THV films, produced via melt extrusion casting from THV resin, exhibit exceptional performance characteristics, including low processing temperatures and excellent flexibility. These films can be heat-sealed, thermoformed, and laminated to various substrates, making them ideal for multilayer hoses, tubes, sheets, and films.

Advantages of THV Foil

Very high optical clarity and light transmission
Outstanding flexibility compared to other fluoroplastics
Good weatherability and UV stability
Flame retardant and good dielectric properties
Excellent chemical and permeation resistance
Bondable to itself and other substrates for multilayer constructions
Low processing temperatures for co-processing with olefinic plastics and hydrocarbon elastomers

Specification of THV Film

Standard Thicknesses: Available in 100um, 150um and 250um (0.004’’, 0.006’’ and 0.010’’), other thicknesses available upon request
Standard Width: 300mm (11.8’’) and 1,600mm (63’’), custom slit widths available upon request
Standard Color: Clear/natural, with custom colors available upon request
Surface Treatment: Bondable, chemically etching, plasma-treated surfaces available upon request

Applications of THV Film

Clean POD

Clean POD devices in the semiconductor industry are made from advanced THV and ePTFE (modified Polytetrafluoroethylene) composites. These materials offer excellent chemical resistance, low permeability, and high thermal stability, making them ideal for protecting sensitive electronic components.

The combination enhances reliability and performance, ensuring effective sealing against contaminants. Customizable in various sizes, these composites meet diverse application needs within the semiconductor sector.

Chemical and Fuel Storage

THV films are utilized in fuel and chemical tank linings, drop-in liners, and bag liners due to their exceptional chemical resistance to fuels across a wide temperature range and their low permeability to solvents and gases.

Safety Glass

With excellent clarity (<1% haze) and outstanding mechanical and thermal properties, THV film is an ideal interlayer for lamination onto glass or for use between layers in multi-layer glass systems. It enhances fire safety and provides anti-shatter performance in various glass applications.

Photovoltaic Panels

Thanks to their superior barrier properties, fire resistance, and high solar transmittance, THV films are well-suited for use as back sheets and front sheet glazing in photovoltaic (PV) panels.

		THV Film
General Properties	Test Method
Specific Gravity	ASTM D792	1.98
Area Yield m²/kg/um (ft²/lb/mil)		782 (97)
Flammability	UL-94	V-0
Water Absoption %		＜0.01
Standard width mm(in)		Max 1,600mm (63 inches) Any slit width is available
Thickness Available um(mil)		100, 150 and 250 (4, 6 and 10)
Colors		Clear
Mechanical Properties
Tensile Strength MPa(psi)	ASTM D882	30(4,500)
Elongation at Break %	ASTM D882	600
Tensile Modulus MPa(psi)	ASTM D882	210(30,000)
Folding Endurance (MIT) cycles	ASTM D2176	＞100,000
Thermal Properties
Continuous Use Temp ℃(℉)	UL-746B	120(250)
Melt Point ℃(℉)	ASTM D3418	165(330)
Electrical Properties
Dielectric Strength kv/mm(volts/mil)	ASTM D149	60(1,500)
Dielectric Contant 1kHz	ASTM D150	4.8
Optical Properties
Refractive Index	ASTM D542	1.36
Solar Transmission %	ASTM E424	95
Haze (4 mil (100 µm) film) %	ASTM E424	1
Surface Treatments Available
Chemical Etching		Available
Plasma Treatment		Available
Applications
Composite Molding Process: Release Films		x
Chemical Process		√
Electrical / Electronics		√
Medical		√
Optical / Photovoltaics		√
Protective / Decorative		√

FEP Film Adhesive Tape

Mr. PTFE — Tue, 06 May 2025 06:37:10 +0000

FEP Film Adhesive Tape

FEP Film Adhesive Tape/optically clear tape/FEP tape is a Thermal Class H electrical insulation tape made from (fluorinated ethylene propylene) FEP film. It features a high-temperature silicone adhesive rated for temperatures ranging from -73°C to 204°C (-100°F to 400°F). This tape is perfect for applications that require electrical insulation, optical clarity, easy release, and abrasion resistance.

The FEP backing is chemically inert, thin, and conformable, providing excellent weather resistance and stability across a wide temperature range. The silicone adhesive offers outstanding chemical resistance and electrical properties, allowing for clean removal with minimal residue. Additionally, the FEP film has superior anti-stick characteristics, low friction, and strong resistance to punctures, chemicals, and solvents.

Specification of FEP Film Adhesive Tape

Width: Max 635mm (25inches) wide. Any slit width is available

Liner Options: Available with or without a release liner.

Application of optically clear tape

Coil and transformer Insulation
Wire harness Identification
High temperature cable splicing and cable wrapping

Advantages of FEP Tape

Excellent Electrical Properties:Designed for superior performance in electrical applications, ensuring reliability and safety.
Outstanding Chemical Resistance:High resistance to chemicals in harsh environments enhances effectiveness and boosts productivity by reducing part replacements.
Weather and UV Resistance:Ideal for transformer applications, this tape is impervious to the elements, providing durability in outdoor conditions.
Highest Dielectric Strength:Combines high dielectric strength with a low dielectric constant for maximum electrical reliability in high-temperature motors and generators.
Optically Clear:The clear FEP tape enables easy identification on wire harnesses, allowing for visibility without compromising performance.

			TDS of FEP Film Adhesive Tape
Model Name	Adhesive Type	PTFE Film Thickness mm(inch)	Total Thickness mm(inch)	Tensile Strength N/10mm(lb/in)	Dielectric Strength KV	Percentage of Elongation %
YS7809-ESONE	Silicone PSA	0.05(0.0020)	0.09(0.0035)	14(8)	9	320

ETFE Film

Mr. PTFE — Sun, 27 Apr 2025 13:26:35 +0000

ETFE Film

ETFE Film/ETFE Foil

ESONE’s ETFE film and foil is made from a co-polymer resin of ethylene and tetrafluoroethylene, utilizing a melt extrusion casting process. These ETFE films exhibit low permeability to liquids, gases, moisture, and organic vapors, while also offering high elongation and tear resistance. ETFE foils can be heat-sealed, thermoformed, and laminated to various materials. Importantly, ESONE ETFE films do not contain plasticizers, processing aids, or additives.

Advantages

ETFE films are available in thicknesses ranging from 0.012 to 0.25mm (0.0005 inches to 0.010 inches) with a max width of 63” (1,600 mm). Custom slit widths are also available. The surfaces can be bondable through plasma treatment or chemical etching.
These films have a broad continuous use temperature range from -200°C to 165°C(-328°F to 330°F) and can withstand short-term exposure up to 204°C (400°F), with a melt temperature minimum of 260°C (500°F).
ETFE exhibits excellent non-stick properties, high elongation, and tear resistance. It offers over 90% light transmission and is effective in transmitting ultraviolet light while blocking far infrared wavelengths. The material demonstrates superior weatherability for outdoor applications.
With a high dielectric strength of 215 kV/mm for 25 μm film (5,500 V/mil ), ETFE is free from plasticizers, processing aids, or additives, and it has low permeability to liquids, gases, moisture, and organic vapors.

ESONE ETFE films are available in four grades

ETFE GP – General Purpose

ETFE AG –Architectural

ETFE MG –Matte Grade

ETFE MR – Mold Release

ETFE GP – General Purpose

Made from 100% virgin premium grade ETFE resin.
ETFE GP is the preferred choice for projects needing visual excellence.
With its exceptional light transmission, clarity, and durability, ETFE is ideal for various applications, including architectural roofing, solar panel front glazing, decorative elements, anti-graffiti surfaces, and greenhouses.

ETFE AG –Architectural Grade

Made from 100% virgin premium grade ETFE resin.
ETFE AG is the preferred choice for projects that demand visual excellence.
The unique attributes of ETFE, including high light transmission, clarity, and durability, make it essential for applications like architectural roofing.
Offered in clear, white, or printed films for solar control and shading, with various standard patterns available, including:

ETFE film with pattern

ETFE film with dot

ETFE MG –Matte Grade

Exceptional solar light transmission and outstanding release characteristics.
Excellent chemical and mechanical performance alongside remarkable weather resistance.
Capable of being thermoformed and heat-sealed.
Free from additives.

Matte ETFE

ETFE MR – Mold Release

ETFE MR is the preferred material for release films in high-temperature composite molding, thanks to its excellent non-stick properties and elevated upper use temperature in static applications.
It provides a 20% higher area yield compared to FEP and PTFE, achieving 22.6 m²/kg for a 25 µm film ( 110 ft²/lb for a 1 mil film).
The material features high elongation and outstanding conformability for complex, contoured molds.
Standard colors include red and light blue, with custom color options available upon request.
It is offered in various perforated patterns, including:

perforated ETFE film

Specification

ESONE ETFE film provide excellent light transmission (over 90%) and clarity, allowing high transmittance of ultraviolet light and other wavelengths, excluding far infrared. They also have outstanding non-stick properties and superior resistance to outdoor weathering. ESONE’s ETFE foils are well-suited for applications in architecture, photovoltaic solar technology, and mold release.

We offer ETFE films and foils in thicknesses from 0.012 to 0.25mm (0.0005 inches to 0.010 inches), with a max width of 1,600 mm (63 inches), and slit widths can be requested. These films feature a high dielectric strength of 215 kV/mm for 0.025mm (equivalent to 5,500 V/mil for 1mil film). ETFE foils are reliable across a broad temperature range, with continuous use temperatures spanning from -200°C to 165°C ( -328°F to 330°F). They can withstand short-term exposure to temperatures up to 204°C (400°F), with a melt temperature starting at 260°C (500°F). Bondable surfaces, either plasma treated or chemically etched, are also available.

Color: Clear, Red, Blue and others

Width: Max 1,600mm (63 inches) Any slit width is available

Surface: Non-treatment, plasma treated or chemically etched

Temperature: Continuously working in temperatures ranging from -200°C to 165°C ( -328°F to 330°F)

		ETFE GP – General Purpose	ETFE AG –Architectural Grade	ETFE MG –Matte Grade	ETFE MR – Mold Release
General Properties	Test Method
Specific Gravity	ASTM D792	1.74
Area Yield m²/kg/um (ft²/lb/mil)		0.89(110)
Flammability	UL-94	V-0
Water Absoption %		＜0.01
Standard width mm(in)		Max 1,600mm (63 inches) Any slit width is available
Thickness Available mm(mil)		0.012 to 0.25mm (0.5 to 10 mil)
Colors		Clear	Clear	Clear	Red, Blue
Mechanical Properties
Tensile Strength MPa(psi)	ASTM D882	48(7,000)	52(7,500)	48(7,000)	48(7,000)
Elongation at Break %	ASTM D882	300	350	300	300
Tensile Modulus MPa(psi)	ASTM D882	965(140,000)	850(125,000)	965(140,000)	965(140,000)
Initial Tear Strength g/mm(g/mil)	ASTM D1004	9,831(250)
Propagation Tear Strength g/mm(g/mil)	ASTM D1922	1,476(37.5)
Folding Endurance (MIT) cycles	ASTM D2176	＞50,000	＞80,000	＞50,000	＞50,000
Thermal Properties
Continuous Use Temp ℃(℉)	UL-746B	165(330)
Melt Point ℃(℉)	ASTM D3418	260(500)
Electrical Properties
Dielectric Strength volts/mm(volts/mil)	ASTM D149	216,535(5,500)	N/A
Dielectric Contant 1kHz	ASTM D150	2.6	N/A
Dissipation Factor 1kHz	ASTM D150	＜0.0008	N/A
Optical Properties
Refractive Index	ASTM D542	1.4	N/A
Solar Transmission %	ASTM E424	94	N/A
Surface Treatments Available
Chemical Etching		Available
Plasma Treatment		Available
Applications
Composite Molding Process: Release Films					√
Chemical Process/Equipment		√
Heat Sealing/Welding/Melt Adhesive		√
Electrical/Electronics		√		√
Medical		√		√
Optical/Photovoltaics		√		√
Protective/Decorative		√		√
Architectural			√

PFA Film

Mr. PTFE — Fri, 25 Apr 2025 06:07:37 +0000

PFA Film

PFA Film/PFA Foil

ESONE PFA film is manufactured using a melt extrusion casting process from Perfluoroalkoxy (PFA) polymer resin. This film boasts the highest continuous use temperature of any melt-processable fluoropolymer film, reaching 260°C (500°F). The PFA film provides many of the performance characteristics of PTFE in a clear and transparent format, and it can be heat sealed, thermoformed, welded, metallized, or laminated to various materials.

Advantages of PFA Film

ESONE’s PFA films provide all the benefits of fluorinated films, including:

Wide Temperature Resistance: Continuous service temperature range from -425 to 500°F (-254 to 260°C), making them suitable for extreme environments.
High Melt Temperature: Melt temperature range of 572 to 590°F (300 to 310°C) allows for versatile processing options.
Chemical Inertness: Resistant to virtually all chemicals, ensuring durability and longevity in aggressive environments.
Outstanding Dielectric Properties: Excellent dielectric performance over a wide range of frequencies and temperatures, ideal for electrical applications.
High Dielectric Strength: Provides over 6,500 V/mil (260 kV/mm for 25 micron film), ensuring effective insulation and safety in high-voltage applications.
Optical Clarity: Excellent light transmission and clarity, making them suitable for applications requiring transparency.
Additive-Free Composition: Free of plasticizers, processing aids, or additives, ensuring a pure material with consistent properties.

These advantages make melt process fluoropolymers ideal for a variety of demanding applications in industries such as aerospace, electronics, and chemical processing.

ESONE PFA films are available in two grades

PFA GP – General Purpose

PFA WF – Welding Film

PFA GP – General Purpose

Made from 100% virgin premium grade PFA resin with a melt flow index (MFI) range of 1.5 to 2.5.
PFA GP is the preferred choice for dielectric applications and situations where exceptional visual clarity and perfection are essential.

PFA WF – Welding Film

Provides significant cost savings of 30% compared to GP grade while retaining all the physical, mechanical, and thermal properties of General Purpose PFA film
An ideal economical solution for heat sealing, welding, and other melt adhesive applications where high aesthetic standards are not required.

Specification of PFA Film

ESONE offers PFA films with thickness ranging from 0.012 to 0.25mm (12 to 250 um) (0.0005 inches to 0.010 inches), with a standard width of up to 1,600 mm (63 inches). Additionally, slit widths and bondable surfaces (plasma treated or chemically etched) are available upon request.

Width: Max 1,600mm (63 inches) Any slit width is available

Surface: Non-treatment, plasma treated or chemically etched

Temperature: Continuously working in temperatures ranging from -254°C to 260°C (-425 to 500°F )

Applications of PFA film

PFA foils are widely used across various industries, particularly in environments that require high temperature and chemical resistance. They are suitable for:

Circuit Board Fabrication: Ideal for reliable performance in electronic applications due to its chemical and thermal resistance.
Flat Cable Insulation: Provides robust electrical insulation for flat cables in modern devices.
Electrical Insulation: High-temperature stability makes it suitable for various insulation needs.
High-Temperature Release Film: Functions effectively in composite manufacturing processes.
Vacuum Bagging Film: Used in composite applications, withstanding curing temperatures up to 230°C (446°F).

General Properties	Test Method	PFA GP – General Purpose	PFA WF – Welding Film
Specific Gravity		2.15
Area Yield m²/kg/mm (ft²/lb/mil)		727.4(90)
Flammability	UL-94	V-0
Water Absoption %		＜0.01
Standard width mm(in)		Max 1,600mm (63 inches) Any slit width is available
Thickness Available mm(mil)		0.012 to 0.25mm (0.5 to 10 mil)
Color		Clear
Mechanical Properties
Tensile Strength MPa(psi)	ASTM D882	35(5,000)
Elongation at Break %	ASTM D882	500
Tensile Modulus MPa(psi)	ASTM D882	483(70,000)
Initial Tear Strength g/mm(g/mil)	ASTM D1004	9,840(250)
Propagation Tear Strength g/mm(g/mil)	ASTM D1922	1,470(37.5)
Folding Endurance (MIT) cycles	ASTM D2176	100,000
Thermal Properties
Continuous Use Temp ℃(℉)	UL-746B	260(500)
Melt Point ℃(℉)	ASTM D3418	302-310(575-590)
Electrical Properties
Dielectric Strength volts/mm(volts/mil)	ASTM D149	256,000(6,500)	N/A
Dielectric Contant 1kHz	ASTM D150	2.0	N/A
Dissipation Factor 1kHz	ASTM D150	0.0002 – 0.0007	N/A
Optical Properties
Refractive Index	ASTM D542	1.35	N/A
Solar Transmission %	ASTM E424	96	N/A
Surface Treatments Available
Chemical Etching		Available
Plasma Treatment		Available
Applications
Composite Molding Process: Release Films
Chemical Process/Equipment		√	√
Heat Sealing/Welding/Melt Adhesive			√
Electrical/Electronics		√
Medical		√
Optical /Photovoltaics		√
Protective/Decorative		√

FEP Film

Mr. PTFE — Thu, 24 Apr 2025 00:04:36 +0000

FEP Film

FEP Film/FEP Foil

ESONE FEP film is manufactured using a melt extrusion casting process from Fluorinated Ethylene Propylene (FEP) resin. These films provide all the advantages of fluorinated materials, including exceptional temperature and chemical resistance, non-stick characteristics, and excellent dielectric performance. FEP films can be heat-sealed, thermoformed, laminated to different substrates, and utilized as melt adhesives.

Advantages of FEP Film

ESONE’s FEP films provide all the benefits of fluorinated films, including:

High Temperature and Chemical Resistance: FEP films remain stable even in harsh environments.
Non-Stick Properties: With superior anti-stick and low friction characteristics, they perform exceptionally well in various applications.
Excellent Dielectric Performance: Ideal for electronic and electrical applications.
Heat-Sealing and Thermoforming Capabilities: Can be laminated to various substrates and serve as melt adhesives.
Outstanding Light Transmission and Clarity: Ensures product quality while maintaining transparency.

ESONE FEP films are free from plasticizers, processing aids, or additives, making them safe for food contact

ESONE FEP films are available in four grades

FEP GP – General Purpose

FEP WF – Welding Film

FEP MR – Mold Release

FEP HM – High Molecular

FEP GP – General Purpose

Made from 100% virgin premium-grade FEP resin with an MFI range of 5-10.
Ideal for applications that demand high dielectric performance, such as PCB laminates and wire & cable uses.
Preferred for protective, decorative, and transparent applications where visual clarity is crucial.
Complies with ASTM D3368 specifications for Type I FEP film.

FEP WF – Welding Film

Provides significant cost savings of 30% compared to GP grade.
An ideal economical solution for heat sealing, welding, and other melt adhesive applications where high aesthetic standards are not required.
Complies with ASTM D3368 standards for Type I general-purpose FEP film.

FEP MR – Mold Release

Available in various perforated patterns.
It offers high elongation and excellent conformability to complex contoured molds.
Standard colors include red, violet, and clear, with custom colors available upon request.
With its exceptional non-stick properties and service temperature of up to 400°F (205°C), FEP is the preferred material for high-temperature composite molding.
Complies with ASTM D3368 standards for Type IV mold release FEP film.

FEP HM – High Molecular Weight

Ideal for chemical tank linings, pump diaphragms, and rupture discs.
Provides excellent stress-crack resistance and flex endurance, achieving 250,000 cycles in the MIT test.
Complies with ASTM D3368 standards for Type III FEP film.

Specification of FEP Film

ESONE offers FEP films with thicknesses ranging from 0.012 to 0.25mm (12 to 250 um) (0.0005 inches to 0.010 inches), with standard widths up to 1,600 mm (63 inches). Additionally, slit widths and bondable surfaces (plasma treated or chemically etched) are available upon request.

Width: Max 1,600mm (63 inches)
Color: Transparent, Red, Blue and others
Surface: Non-treatment, plasma treated or chemically etched
Temperature: Continuously working in temperatures ranging -240°C to 205°C (-400°F to 400°F )

Applications

FEP films are widely used across various industries, particularly in environments that require high temperature and chemical resistance. They are suitable for:

High Temperature Composite Molding: Preferred material for mold release applications due to maximum service temperature of 400°F (205°C).
Complex Contoured Molds: Features high elongation and excellent conformability.
Electronics: Their excellent dielectric performance makes them suitable for PCB laminates, electrical insulation and cable protection.
Protective and Decorative Uses: Suitable for applications where visual appearance and clarity are essential, such as decorative films and see-through applications.
Medical Devices: Compliant with USP VI standards, they are suitable for manufacturing medical instruments and devices.
Industrial Applications: Used in chemical, pharmaceutical, and other industries as a durable material resistant to corrosion and high temperatures, like chemical tank lining.

	Test Method	FEP GP – General Purpose	FEP WF – Welding Film	FEP MR – Mold Release	FEP HM – High Molecular Weight
General Properties
Specific Gravity	ASTM D792	2.15
Area Yield m²/kg/mm (ft²/lb/mil)		727.4(90)
Flammability	UL-94	V-0
Water Absoption %		＜0.01
Standard width mm(in)		Max 1,600mm (63 inches) Any slit width is available
Thickness Available mm(mil)		0.012 to 0.25mm (0.5 to 10 mil)
Colors		Clear	Clear	Red, Blue, Violet	Clear
Mechanical Properties
Tensile Strength MPa(psi)	ASTM D882	24(3,500)			34.5(5,000)
Elongation at Break %	ASTM D882	300			350
Tensile Modulus MPa(psi)	ASTM D882	483(70,000)
Initial Tear Strength g/mm(g/mil)	ASTM D1004	10,830(275)
Propagation Tear Strength g/mm(g/mil)	ASTM D1922	4,922(125)
Folding Endurance (MIT) cycles	ASTM D2176	10,000			250,000
Thermal Properties
Continuous Use Temp ℃(℉)	UL-746B	400(205)
Melt Point ℃(℉)	ASTM D3418	500(260)			520(270)
Electrical Properties
Dielectric Strength volts/mm(volts/mil)	ASTM D149	256,000(6,500)	N/A		256,000(6,500)
Dielectric Contant 1kHz	ASTM D150	2.0	N/A		2.0
Dissipation Factor 1kHz	ASTM D150	0.0003	N/A		0.0003
Surface Resistivity ohm/sq	ASTM D257	1x10^15	N/A		1x10^15
Optical Properties
Refractive Index	ASTM D542	1.34	N/A		1.34
Solar Transmission %	ASTM E424	96	N/A		96
Surface Treatments Available
Chemical Etching		Available
Plasma Treatment		Available
Applications
Composite Molding Process: Release Films				√
Chemical Process/Equipment		√	√		√
Heat Sealing/Welding/Melt Adhesive		√	√
Electrical/Electronics		√
Medical		√			√
Optical/Photovoltaics		√
Protective/Decorative		√

fep film – My Site

THV Film

Products

THV Film

THV Film

Advantages of THV Foil

Specification of THV Film

Applications of THV Film

Related Document

FEP Film Adhesive Tape

Products

FEP Film Adhesive Tape

Specification of FEP Film Adhesive Tape

Application of optically clear tape

Advantages of FEP Tape

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ETFE Film

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ETFE Film/ETFE Foil

Advantages

ESONE ETFE films are available in four grades

Specification

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PFA Film

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PFA Film

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ESONE PFA films are available in two grades

Specification of PFA Film

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FEP Film

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