
PTFE / FEP Encapsulated Silicone O Rings
We usually perform being a tangible workforce making sure that we will give you the most beneficial excellent plus the finest selling price for Polyurethane With Resistant To Hydrolysis, Hydraulic Linear Rod Seal, F207 10% Carbon Fiber Filled PTFE. We are committing to create quality with professionalism, and always seek to win customer satisfaction with better quality. We are hunting ahead to building positive and beneficial links with the businesses round the globe. Our company will seize the development opportunity of the world market, constantly reform and innovate, forge ahead and create a more brilliant tomorrow. When you are keen on any of our items following you view our product list, please feel free to make contact with us for inquiries.
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 vigorous and ambitious with a worldwide vision. With talented people, first class management, high quality products and feasible business model, our company leads the PTFE / FEP Encapsulated Silicone O Rings industry. We sincerely invite you to be our business partners for mutual benefits. We give priority to quality and customer pleasure and for this we follow stringent excellent control measures.

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