
Encapsulated Silicone O Ring, FEP Rubber O Ring
Over the years, we have always been committed to the research and development of F220 25% Carbon Graphite Filled PTFE, F265 POM, FPM 85 Shore Black, continuously improving and innovating the products to meet customers' needs. We always adhere to the concept of rapid and innovative, steady development year by year, and achieve steady growth in sales in the international markets. The solutions to assure years of trouble-free service has attracted a great deal customers.
Product Introduction
FEP Encapsulated Silicone O-Rings
Encapsulated O ring with a FEP or PFA (Teflon®) outer layer encapsulating a Silicone core. The Teflon® shell offers excellent chemical and temperature resistance while the Silicone core provides the resiliency needed to provide effective sealing. Readily available in common USA and metric cross-sections and nearly unlimited diameters. FEP encapsulated Solid Silicone with improved chemical resistance up to +200℃ PFA encapsulated Solid Silicone up to +260℃.
FEP Encapsulated FKM (Viton ® ) Core
Encapsulated O ring with a FEP (Teflon®) outer layer encapsulating a Solid FKM (Viton®) core. The Teflon® shell offers excellent chemical and temperature resistance while the FKM core provides the resiliency needed to provide effective sealing. The FKM core provides increased chemicals and compression set resistance resulting in longer lasting sealing in some applications. Readily available in common USA and metric cross-sections and nearly unlimited diameters. FEP encapsulated Solid FKM with improved chemical resistance up to +200℃
Product Details
These have a core of elastomer that is completely covered with a seamless sheath of fluorinated ethylene propylene.The core is normally fluorocarbon or silicone.
Encapsulated “O”rings are generally used when
1. Standard elastometric “O”ring has inadequate chemical resistance for a specific application
2. A solid PTFE “O”ring does not offer sufficient elasticity for reliable,long-term fluid sealing.

Encapsulated O ring (Fluorinated Ethylene Propylene)
● Outstanding chemical and corrosion resistance
● Low coefficient of friction
● Resilience with choice of elastomeric cores
● Low compression set
● Temperature range: -75°F to 400°F (-60°C to 200°C)
● Unlimited sizes (No tooling charges)
● Solid & hollow silicone, Viton® cores
● FDA compliant materials available
● USP Class VI approved materials available
FEP Tubing Features | PFA Tubing Features |
Wide range of chemical resistance | All benefits of FEP |
Our Company
Kaflon seal is a successful manufacturer and supplier, we have devoted ourselves to petroleum, petrochemical, natural gas, military, nuclear power, steam systems, electricity, metallurgy, ships, food environmental protection, sewage treatment, papermaking and other fields. We will provide excellent service and competitive price for you, we are expecting to become your long-term partner in China.
Kaflon has professional sales team to fast supply clients' exact quotation on spring seals or other nonstandard products. We can supply sealing solution under harsh working condition. Besides, when client need, we can supply tooling design. We have OEM and ODM services. We can supply some samples quickly. Besides we can package products following clients' requirements. We will track the product usage at any time and visit customers regularly. When customers need it, we provide on-site services.
Our Services
1. Any of your kind inquiry conveyor chain would be replied within 24 hours.
2. Well-trained and experienced sales staffs will reply all your concerns in fluent English.
3. OEM services are available with us, our professional designer would make your private idea into being.
4. Protection of your sales area, ideas of design and all your private information.
5. Delivery by air mail or ship for your orders.
6. With years of manufacture and promotion experience in global market, brings you profit and great success!
We are committed to providing high-quality Encapsulated Silicone O Ring, FEP Rubber O Ring to customers around the world. We have rigorous technology, advanced production equipment, and a complete quality assurance system to guarantee quality. In case you pursuit the Hi-quality, Hi-stable, Aggressive price elements, corporation name is your greatest choice!

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