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PTFE Sheet

PTFE Sheet

Kaxite PTFE Sheet is available in three manufacturing forms — compression molded for thick gaskets and precision machining, skived for thin gauges under 3 mm, and expanded (ePTFE) for soft, conformable sealing at low bolt load. Standard thickness range is 0.5 mm to 50 mm, with sheet sizes of 1000 × 1000 mm and 1200 × 1200 mm; custom sizes on request. The material is inert across pH 0–14, has a service temperature range of −180 °C to +260 °C, a specific gravity of 2.14–2.20 g/cm³ and a tensile strength of 22 MPa or higher for molded sheet. Virgin PTFE is the default for chemical, food and pharmaceutical service; filled grades (glass fiber, carbon, graphite, bronze, MoS2) improve creep and wear resistance for mechanical applications. Custom die-cut and CNC-cut gaskets are supported. Samples are available for evaluation before bulk orders.

PTFE Sheet — Virgin, Filled & Expanded Grades for Sealing and Insulation

A complete stock-shape reference for buyers sourcing PTFE sheet for gasket cutting, bearing pads, electrical insulation and chemical-resistant linings. Produced from 100% virgin PTFE resin or filled grades, machined or skived to the thickness you specify.

Thickness 0.5 – 50mm
Temperature −180 to +260°C
Sheet size 1×1 / 1.2×1.2m, custom
Grades Virgin / FilledAll common grades

PTFE sheet is one of the most chemically resistant stock materials available — inert to almost all industrial chemicals across pH 0–14, non-stick, self-lubricating, and stable from cryogenic temperatures up to 260 °C. This is why it is the default choice for aggressive media, food contact, pharmaceutical service and high-frequency electrical insulation.

Kaxite supplies PTFE sheet in three manufacturing forms to suit different applications and budgets: molded sheet for greater thickness and high-integrity gaskets, skived sheet for thin gauges and large surface area, and expanded (ePTFE) sheet for softer, conformable sealing at low bolt load. Virgin and all common filled grades are available, and every sheet is dimensionally inspected before dispatch.

Available forms — choose by application
Most popular

Molded PTFE Sheet

Compression molded and sintered. Best for thick gaskets, heavy-duty bearing pads and high-pressure sealing. Homogeneous, low-stress structure machines cleanly.

Thin gauge

Skived PTFE Sheet

Peeled from a molded cylinder. Economical for thicknesses under 3 mm and for large-area linings and gasket cutting.

Soft seal

Expanded PTFE Sheet

Biaxially oriented ePTFE. Soft, conformable, seals at low bolt load. Best chemical resistance of the PTFE family.

Load-bearing

Filled PTFE Sheet

Glass fiber, carbon, graphite, bronze or MoS2 filled. Improved creep resistance, hardness and wear resistance for mechanical parts.

Food & pharma

Virgin PTFE Sheet

100% virgin resin. No media contamination. Suitable for food contact, pharmaceutical and ultra-clean process service.

Standard specifications
Material
Virgin PTFE, molded / skived / expanded
Filled grades
Glass fiber, carbon, graphite, bronze, MoS2
Thickness
0.5 mm to 50 mm (molded & skived)
Sheet size
1000 × 1000 mm, 1200 × 1200 mm, custom
Temperature range
−180 °C to +260 °C
Chemical range
pH 0–14, inert to most media
Specific gravity
2.14 – 2.20 g/cm³ (ASTM D792)
Tensile strength
≥ 22 MPa (molded), 15–25 MPa (skived)
Elongation
200 – 400%
Color
White, blue (custom colors on request)
Surface finish
Ra 0.8 – 3.2 µm (machined)
Custom cutting
Die-cut and CNC-cut gaskets to drawing
Key material properties
  • Best chemical resistance of the PTFE family. Inert to acids, bases, solvents, oxidizers and most industrial media across pH 0–14.
  • Lowest coefficient of friction of any solid material. Self-lubricating, non-stick surface — the standard choice for slide bearings and non-lubricated moving parts.
  • Excellent electrical insulation. Among the best dielectric properties of all plastics — used in high-frequency and high-voltage equipment.
  • Wide service temperature. Stable from −180 °C (cryogenic) up to +260 °C (continuous) without significant loss of mechanical properties.
  • Chemically inert and non-contaminating. Does not release additives into the media it contacts — suitable for food and pharmaceutical service.
  • Machines cleanly and holds tight tolerances. Homogeneous, stress-relieved sheet for die-cut gaskets, precision bearing pads and seal components.
Typical applications

Sealing & gasketing

Base material for die-cut flange gaskets, manway gaskets and envelope gaskets in chemical, petrochemical and process service.

Bearing & wear pads

Slide bearings, bridge bearings, expansion pads and non-lubricated wear plates where low friction is critical.

Electrical insulation

Spacers, circuit board substrates, high-frequency insulators and dielectric barriers in electrical and electronic equipment.

Chemical linings

Anti-corrosion linings and barriers for reactors, tanks, pipes and chemical handling equipment.

Food & pharmaceutical

Contact parts, cutting boards, seals and conveyor guides where non-stick and non-contaminating behaviour is required.

Machined components

Valve seats, pump parts, precision seals and structural components machined from molded sheet to drawing.

FAQ
Which sheet form should I use — molded, skived or expanded? –
Use molded sheet for thick, high-integrity gaskets and precision machining — it has the best dimensional stability and internal stress relief. Use skived sheet for thicknesses under 3 mm and for large-area linings — it is more economical for thin gauges. Use expanded sheet when the flange surface is imperfect or the bolt load is limited — the soft, fibrillated structure conforms well and seals at low load.
What thicknesses and sheet sizes do you stock? +
Standard thickness range is 0.5 mm to 50 mm depending on form. Standard sheet sizes are 1000 × 1000 mm and 1200 × 1200 mm; custom sizes and cut-to-length strips are available on request.
Should I choose virgin or filled PTFE sheet? +
Virgin PTFE is the default for chemical sealing, food and pharmaceutical service and electrical insulation — it has the best chemical resistance and does not contaminate the media. Filled grades (glass fiber, carbon, graphite, bronze, MoS2) improve creep resistance, hardness and wear resistance for mechanical and high-load applications. Send us the medium, load and temperature and we will recommend a grade.
Can you die-cut gaskets or machine parts from the sheet? +
Yes. We produce die-cut gaskets, CNC-cut shapes and machined components to your drawing. Send DWG, DXF, PDF or a physical sample and we will confirm tooling, unit price and lead time.
Do you provide material certificates and samples? +
Yes. Material certificates, dimensional inspection reports and grade documentation are available for production orders. Samples are available for evaluation — please provide the thickness, sheet size or gasket drawing you need, and we will confirm availability and delivery time.

Request a quotation for your PTFE sheet requirement

Send your thickness, sheet size, grade or die-cut gasket drawing — our engineers will reply with pricing and lead time within 24 hours.

Related products: PTFE Molded Sheets PTFE Skived Sheets Expanded PTFE Sheet PTFE Rods PTFE Gaskets

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