High Temp PTFE Gasket & Teflon O Ring | PTFE Seal for Chemical Resistance
Welcome to Teflon X, the industry leader in high-performance fluid handling solutions. When industrial applications demand uncompromising reliability under extreme conditions, our High Temp PTFE Gasket and Teflon O Ring products stand as the ultimate line of defense. Designed for environments where standard elastomeric seals fail, our Teflon Sealing technology offers exceptional longevity, purity, and chemical inertness.
Whether you are operating in the pharmaceutical sector, chemical processing plants, or high-pressure oil and gas fields, a PTFE Seal from Teflon X ensures operational safety and efficiency. Our commitment to quality engineering guarantees that every Teflon Gasket we supply meets the highest global standards.
Product Overview: The Power of PTFE
Polytetrafluoroethylene (PTFE), widely recognized by the brand name Teflon, is a synthetic fluoropolymer of tetrafluoroethylene. It is renowned for having one of the lowest coefficients of friction of any solid material and for its near-total chemical inertness. A PTFE O Ring Gasket leverages these unique molecular properties to solve the most difficult sealing challenges.
Unlike rubber or silicone, a PTFE Gasket does not degrade, swell, or become brittle when exposed to aggressive acids, bases, or solvents. This makes our Teflon Gasket solutions indispensable for critical infrastructure where maintenance access is difficult or where seal failure could lead to catastrophic downtime. Furthermore, our specialized high temp o rings are capable of maintaining their structural integrity in extreme thermal variations, ranging from cryogenic lows to scorching highs.
Key Features and Benefits
- Superior Chemical Resistance: Our PTFE Seal products are virtually chemically inert, resisting attack from almost all industrial chemicals, identifying them as the premier choice for corrosive fluid handling.
- Extreme Temperature Capability: As a leading provider of high temp o rings, our gaskets perform flawlessly across a wide temperature spectrum, ensuring stability where other materials melt or crack.
- Low Friction & No Stick-Slip: The self-lubricating nature of Teflon Sealing materials facilitates easier installation and prevents the seal from bonding to mating surfaces, even after years of static service.
- FDA & Sanitary Compliance: Virgin PTFE is non-toxic, odorless, and tasteless, making our Teflon Gasket range FDA-compliant and perfect for food, beverage, and pharmaceutical applications.
- Unlimited Shelf Life: Unlike elastomers that age and degrade with UV or ozone exposure, a PTFE Gasket has an effectively unlimited shelf life, reducing inventory waste.
Technical Specifications
At Teflon X, precision is our priority. Our PTFE O Ring Gasket products are manufactured to tight tolerances. Below are the standard technical parameters for our virgin and filled PTFE seals. Custom sizes and proprietary blends are available upon request.
| Specification | Detail |
| Base Material | 100% Virgin PTFE, Glass-Filled, Carbon-Filled, or Bronze-Filled PTFE |
| Operating Temperature | -200°C to +260°C (-328°F to +500°F) |
| Hardness | 55 to 60 Shore D (significantly harder than elastomers) |
| Tensile Strength | ≥ 25 MPa (ASTM D638) |
| Elongation at Break | ≥ 300% |
| Dielectric Strength | High insulating properties (excellent for electrical applications) |
| Water Absorption | < 0.01% (Zero moisture absorption) |
Industrial Applications for PTFE Seals
The versatility of Teflon Sealing allows our products to be utilized across a diverse array of industries. Because a PTFE Gasket provides a pure, non-contaminating interface, it is the preferred solution for high-purity systems.
- Chemical Processing: In valves, pumps, and reactors dealing with harsh acids like sulfuric or nitric acid, our PTFE Seal ensures leak-free operation and protects personnel from hazardous exposure.
- Food & Pharmaceutical: Hygiene is paramount. Our FDA-approved Teflon Gasket solutions prevent bacterial growth and cross-contamination in mixing tanks and piping systems.
- Oil & Gas Exploration: Downhole environments present high pressures and aggressive chemicals. Our reinforced high temp o rings are engineered to withstand sour gas and high-pressure steam injection.
- Aerospace & Automotive: From fuel systems to cryogenic tanks, the thermal stability of Teflon Sealing ensures components perform reliably in the most demanding transport vehicles.
Why Choose Teflon X?
Choosing the right partner for your sealing needs is critical. At Teflon X, we combine advanced manufacturing techniques with deep material science expertise. Whether you require a standard ANSI flange PTFE Gasket or a custom-molded PTFE Seal for a prototype, we deliver consistent quality.
We understand that PTFE is a rigid material compared to rubber. Therefore, we also offer specialized design consultation to ensure your groove dimensions and hardware tolerances are optimized for Teflon Sealing. Trust our team to provide the high temp o rings that keep your production lines moving without interruption.
Get a Quote or Contact Us
Are you ready to enhance your system’s reliability with premium PTFE Gasket and Teflon O Ring solutions? Our engineering team is ready to assist you with material selection, sizing, and custom fabrication.
For more details on our full catalog, please visit our website at teflonx.com. If you have specific requirements for high temp o rings or need immediate technical support, please contact us directly.
Contact Teflon X Today
Fill out our inquiry form: Contact Us Page
Email our Sales Team: allison.ye@teflonx.com








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