Chemical linings
Electrical insulation with material and manufacturing support from prototype through repeat production.
ePTFE sheet Manufacturer · Direct Factory Supply
ePTFE sheet
JIAFUXIN manufactures and supplies ePTFE sheet for industrial buyers that require porous, conformable, chemically resistant and compressible. Standard sizes, custom dimensions and drawing-based factory processing are available.
Engineering overview
Grades, Properties and Manufacturing Options
Select ePTFE sheet by thickness, flatness, production process, grade, filler, surface and allowable deformation. Final suitability depends on the complete operating environment and required service life.
Electrical barriers
Chemical processing with material and manufacturing support from prototype through repeat production.
Wear pads and guides
Semiconductor equipment with material and manufacturing support from prototype through repeat production.
Gaskets and machined flat parts
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
ePTFE sheet Specifications
| Material | Expanded Polytetrafluoroethylene |
|---|---|
| Available grades | Sheet, tape, membrane, gasket and application-specific porous structures |
| Manufacturing process | Compression molding, sintering, skiving, extrusion or expansion by material |
| Supply formats | Standard sheets, plates, rolls, cut blanks and drawing-based shapes |
| Typical temperature capability | Typically -200°C to +260°C |
| Typical density | Commonly about 0.3–1.5 g/cm³ by structure |
| Custom processing | Cutting, drilling, milling, turning, engraving, etching and gasket conversion |
Values are general reference information, not a material certificate. Grade, process, dimensions and test method affect actual results.
Performance and design
Why Engineers Specify ePTFE sheet
Density, pore structure and compression must match sealing or filtration needs.
Material performance
Porous, conformable, chemically resistant and compressible.
Grade options
Sheet, tape, membrane, gasket and application-specific porous structures.
Selection criteria
Thickness, flatness, production process, grade, filler, surface and allowable deformation.
Secondary processing
Cutting, drilling, milling, turning, engraving, etching and gasket conversion.
Frequently asked questions
ePTFE sheet FAQ
What should buyers verify when choosing a ePTFE sheet 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 ePTFE sheet 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 ePTFE sheet 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 ePTFE sheet sheet and plate?
Sheet and plate often overlap in supplier terminology. Plate generally means thicker, more rigid stock, while sheet may include thinner or roll-form material. Specify exact thickness, tolerance and dimensions.
What is the difference between ePTFE and PTFE?
ePTFE is PTFE that has been expanded into a microporous structure. It is more compressible and permeable than dense PTFE, making it useful for sealing, filtration and venting. Compare both in the ePTFE guide.
Is ePTFE waterproof and breathable?
The pore structure can block liquid water while allowing air or vapor transmission, but performance depends on pore size, thickness, pressure differential and surface treatment.
How do I select the right ePTFE sheet for my application?
Select ePTFE sheet by thickness, flatness, production process, grade, filler, surface and allowable deformation. Final suitability depends on the complete operating environment and required service life.
Which thickness and flatness should I specify for ePTFE sheet?
State the nominal thickness, tolerance, sheet dimensions and flatness required after conditioning. Machined parts may also need extra stock for facing and stress relief.
Should I choose virgin, modified or filled ePTFE sheet?
The correct grade depends on purity, wear, compressive load, creep, electrical performance and chemical exposure. Filled grades improve selected mechanical properties but can change chemical and dielectric behavior.
Talk to an engineer
Request a ePTFE sheet Quote
Send the material, dimensions, quantity, working conditions and drawings. JIAFUXIN will recommend a practical manufacturing route.