PTFE gaskets

High-performance PTFE gaskets for leak-proof sealing – by National Fluoromers

technical specifications
Property Value
MaterialVirgin PTFE, Glass-filled, Carbon-filled
Thickness range0.5 mm to 5 mm (other sizes on request)
Outer diameter (OD)Up to 600 mm (larger sizes available)
Inner diameter (ID)As per pipe/flange standard or drawing
Operating temperature–200°C to +260°C
Surface finishSmooth, textured, or mirror polished

National Fluoromers is a leading manufacturer, supplier, and exporter of PTFE gaskets, designed for high-integrity sealing in demanding chemical, thermal, and hygienic environments. Manufactured using virgin or filled PTFE materials, our gaskets are ideal for applications where resistance to aggressive media, temperature fluctuations, and contamination is critical.

From pipeline flanges to pharmaceutical vessels, our PTFE gaskets provide unmatched sealing performance while maintaining dimensional stability and non-reactivity.

what is a PTFE gasket?

A PTFE gasket is a flat sealing ring or shape made from polytetrafluoroethylene, used to prevent leakage between two mating surfaces (typically flanges or equipment housings). It is valued for its chemical inertness, non-stick nature, thermal stability, and compressibility. These gaskets are widely used in environments where rubber, fiber, or metallic gaskets would degrade or react.

Available in various shapes, thicknesses, and custom profiles, PTFE gaskets are the industry standard for corrosion-prone and sterile applications.

key features
  • Universal chemical resistance: Inert to most acids, alkalis, and solvents.
  • Broad temperature range: Withstands –200°C to +260°C.
  • Non-stick surface: Prevents product buildup or gasket sticking to flanges.
  • FDA & USP compliant options: Safe for food, pharmaceutical, and biotech systems.
  • Excellent dielectric insulation: Ideal for electrical sealing applications.
  • Machined or die-cut: Supplied in standard or custom configurations.
advantages
  • Long-lasting, leak-proof sealing in corrosive or sanitary systems
  • No aging, embrittlement, or contamination
  • Easy to install and remove without residue
  • Customization options for unique flange designs
  • Excellent sealing under vacuum or high-pressure conditions
  • Suitable for both static and low-dynamic sealing
applications of PTFE gaskets
  • Chemical pipeline flanges
  • Pharmaceutical process vessels and tanks
  • Food-grade processing equipment
  • Water treatment plants and reactors
  • Valve body seals and manhole covers
  • Glass-lined and plastic-lined flanges
industries we serve
  • Chemical & petrochemical
  • Food & beverage
  • Pharmaceuticals & biotech
  • Oil & gas
  • Water & wastewater treatment
  • Marine & power generation
  • Semiconductor & cleanrooms
  • Pulp & paper processing
why choose National Fluoromers
  • CNC precision and die-cutting options for high-quality gaskets
  • Custom material blends for high-pressure, steam, or dynamic use
  • FDA, USP, and industrial-grade PTFE materials available
  • In-house quality checks to ensure leak-proof performance
  • Reliable delivery, competitive pricing, and global shipping
supply options
  • Available in flat ring, full-face, or custom flange configurations
  • With or without bolt holes, tabs, or notches
  • Bulk and project-specific orders supported
  • Export-ready packaging available
Looking for PTFE gaskets that ensure safe and durable sealing in corrosive or sanitary applications? Choose National Fluoromers – the name trusted by industries for precision PTFE sealing solutions.

Send your dimensions or drawing today – we will manufacture the right PTFE gasket for your process.

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