A PTFE washer is a precision-engineered flat, round ring made from high-quality Polytetrafluoroethylene (PTFE), widely recognized as Teflon®. Designed to function as an effective seal, spacer, insulator, or load distributor, this washer excels in various industrial applications including mechanical assemblies, electrical insulation, and fluid system seals. Its unique molecular structure provides excellent resistance against a broad spectrum of chemicals such as acids, bases, and solvents, ensuring durability and longevity in harsh environments. Suitable for extreme temperature conditions ranging from -200 °C to +260 °C, it retains stable physical and chemical properties without degradation. The PTFE washer's extremely low coefficient of friction enables superior self-lubrication, reducing wear and enhancing the efficiency of moving components. Its high dielectric strength prevents electrical current leakage, making it an ideal choice for electrical and electronic equipment. Additionally, its hydrophobic nature ensures minimal moisture absorption, while the non-stick and hygienic surface makes it suitable for sensitive applications in food processing and pharmaceutical industries. This versatile component is indispensable for industries where reliability, chemical inertness, and temperature endurance are crucial.
Key Features
| Features | Description |
|---|---|
| Material | High-grade Polytetrafluoroethylene (PTFE) |
| Shape | Flat, round ring-shaped washer |
| Chemical Resistance | Inert to most acids, bases, and solvents |
| Temperature Range | -200 °C to +260 °C (-328 °F to +500 °F) |
| Coefficient of Friction | Extremely low, excellent self-lubricating properties |
| Electrical Insulation | High dielectric strength to prevent current leakage |
| Moisture Resistance | Hydrophobic with negligible water absorption |
| Non-stick Surface | Ideal for food, pharmaceutical, and hygienic applications |
| Durability | Excellent wear and chemical stability under harsh conditions |
| Applications | Used as seal, spacer, insulator, load distributor in mechanical, electrical, fluid systems |
| Attributes | Description |
|---|---|
| Material Composition | Polytetrafluoroethylene (PTFE) |
| Outer Diameter | Customizable per client requirement |
| Inner Diameter | Customizable per client requirement |
| Thickness | Available in multiple thickness options |
| Operating Temperature | -200 °C to +260 °C |
| Dielectric Strength | Up to 60 kV/mm |
| Coefficient of Friction | Approximately 0.05 |
| Moisture Absorption | <0.01% |
| Color | Standard white/off-white |
| Compliance | FDA approved for food contact applications (where applicable) |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Yes, PTFE washers can be manufactured to custom inner diameter, outer diameter, and thickness specifications, tailored to client requirements.
Yes, the PTFE washers are non-stick, hygienic, and many are FDA approved for food contact applications, making them safe for use in food and pharmaceutical industries.
The PTFE washer maintains its chemical and physical properties up to +260 °C (500 °F) without degradation.
Due to its high dielectric strength of up to 60 kV/mm, the PTFE washer provides excellent electrical insulation, preventing current leakage in sensitive devices.
Yes, PTFE washers exhibit excellent chemical inertness and resistance to most acids, bases, and solvents, suitable for harsh chemical environments.
Country Of Origin: India
A PTFE washer is a flat, round ring-shaped component made from PTFE (Polytetrafluoroethylene) — commonly known by the brand name Teflon®. It is used as a seal, spacer, insulator, or load distributor between two surfaces in mechanical, electrical, or fluid systems.
PTFE is a synthetic fluoropolymer known for its extraordinary properties:
PTFE originates from carbon-fluorine bonds which are among the strongest in polymers, giving chemical stability and heat tolerance.
