Electrical insulation
Electrical insulation with material and manufacturing support from prototype through repeat production.
FEP film Manufacturer · Direct Factory Supply
FEP film
JIAFUXIN manufactures and supplies FEP film for industrial buyers that require flexible, transparent, chemically resistant and melt processable. Standard sizes, custom dimensions and drawing-based factory processing are available.
Engineering overview
Grades, Properties and Manufacturing Options
Select FEP film by thickness tolerance, width, dielectric performance, surface treatment, winding and cleanliness. Final suitability depends on the complete operating environment and required service life.
Release liners
Chemical processing with material and manufacturing support from prototype through repeat production.
Cable wrapping
Semiconductor equipment with material and manufacturing support from prototype through repeat production.
Thin sealing and barrier layers
Gaskets and wear pads with material and manufacturing support from prototype through repeat production.
Selection guide
Information Required for Material Selection
Share these details to shorten quotation time and reduce specification risk.
01
Operating temperature
Minimum, maximum and continuous temperature under load.
02
Chemical environment
Media, concentration, pressure and exposure duration.
03
Mechanical demand
Load, movement, wear, creep and dimensional stability.
04
Manufacturing details
Dimensions, tolerance, surface, quantity and documentation.
Technical overview
FEP film Specifications
| Material | Fluorinated Ethylene Propylene |
|---|---|
| Available grades | General-purpose, high-purity, electrical and application-specific grades |
| Manufacturing process | Skiving, extrusion, calendaring, slitting and optional surface treatment |
| Supply formats | Thin gauges, sheets, rolls and custom slit widths |
| Typical temperature capability | Typically -200°C to +200°C |
| Typical density | Approximately 2.12–2.17 g/cm³ |
| Custom processing | Slitting, sheet cutting, punching, lamination and single- or double-side treatment |
Values are general reference information, not a material certificate. Grade, process, dimensions and test method affect actual results.
Performance and design
Why Engineers Specify FEP film
Lower continuous temperature and mechanical stiffness than PTFE or PEEK.
Material performance
Flexible, transparent, chemically resistant and melt processable.
Grade options
General-purpose, high-purity, electrical and application-specific grades.
Selection criteria
Thickness tolerance, width, dielectric performance, surface treatment, winding and cleanliness.
Secondary processing
Slitting, sheet cutting, punching, lamination and single- or double-side treatment.
Frequently asked questions
FEP film FAQ
What should buyers verify when choosing a FEP film manufacturer?
Confirm the resin or compound, manufacturing route, dimensional tolerance, inspection method and batch traceability. The drawing and service conditions should be reviewed before price becomes the deciding factor.
What information should I send to a FEP film supplier?
Send the required grade, dimensions, tolerance, quantity, operating temperature, chemical media, mechanical load, documentation and delivery destination. Photos or drawings help prevent quotation assumptions.
Can the JIAFUXIN FEP film factory make custom sizes?
Custom dimensions and secondary processing can be reviewed from a drawing, sample or application specification. Feasibility depends on the material, production method, tolerance and order volume.
What is the difference between FEP film film and thin sheet?
Film usually refers to thinner flexible material supplied in rolls or cut sheets. The dividing thickness varies by supplier, so specify thickness, tolerance, width, roll length and surface treatment.
What is the difference between FEP and PFA?
FEP and PFA are melt-processable fluoropolymers with strong chemical resistance. FEP is often more flexible and transparent, while PFA is generally preferred at higher temperatures and in demanding high-purity systems. See the FEP material guide.
Is FEP considered Teflon?
FEP is a fluoropolymer and may be sold under fluoropolymer trade-name families, but FEP and PTFE are different polymers. Purchase specifications should use the generic material and grade.
How do I select the right FEP film for my application?
Select FEP film by thickness tolerance, width, dielectric performance, surface treatment, winding and cleanliness. Final suitability depends on the complete operating environment and required service life.
Which thickness tolerance and roll width are available for FEP film?
Provide nominal thickness, tolerance, roll width, roll length, core size and winding requirement. Slitting yield and edge quality should be agreed for narrow rolls.
Does FEP film require surface treatment for bonding?
Untreated fluoropolymer surfaces are difficult to bond. State the adhesive, lamination process and treated side so surface treatment and handling can be reviewed.
Talk to an engineer
Request a FEP film Quote
Send the material, dimensions, quantity, working conditions and drawings. JIAFUXIN will recommend a practical manufacturing route.